Sex	Social class	Time	Type of infant feeding	Total
BOTH SEXES	Total	6 weeks	Total	2,195.3
BOTH SEXES	Total	6 weeks	Natural	1,381.3
BOTH SEXES	Total	6 weeks	Mixed	129.6
BOTH SEXES	Total	6 weeks	Bottle feeding	576.9
BOTH SEXES	Total	6 weeks	No data recorded	107.5
BOTH SEXES	Total	3 months	Total	2,195.3
BOTH SEXES	Total	3 months	Natural	1,119.7
BOTH SEXES	Total	3 months	Mixed	271.6
BOTH SEXES	Total	3 months	Bottle feeding	699.4
BOTH SEXES	Total	3 months	No data recorded	104.5
BOTH SEXES	Total	6 months	Total	2,195.3
BOTH SEXES	Total	6 months	Natural	571.5
BOTH SEXES	Total	6 months	Mixed	368.9
BOTH SEXES	Total	6 months	Bottle feeding	1,062.6
BOTH SEXES	Total	6 months	No data recorded	192.4
BOTH SEXES	I	6 weeks	Total	283.3
BOTH SEXES	I	6 weeks	Natural	188.9
BOTH SEXES	I	6 weeks	Mixed	22.3
BOTH SEXES	I	6 weeks	Bottle feeding	63.0
BOTH SEXES	I	6 weeks	No data recorded	9.1
BOTH SEXES	I	3 months	Total	283.3
BOTH SEXES	I	3 months	Natural	163.4
BOTH SEXES	I	3 months	Mixed	41.1
BOTH SEXES	I	3 months	Bottle feeding	69.7
BOTH SEXES	I	3 months	No data recorded	9.2
BOTH SEXES	I	6 months	Total	283.3
BOTH SEXES	I	6 months	Natural	86.6
BOTH SEXES	I	6 months	Mixed	50.9
BOTH SEXES	I	6 months	Bottle feeding	130.2
BOTH SEXES	I	6 months	No data recorded	15.6
BOTH SEXES	II	6 weeks	Total	182.1
BOTH SEXES	II	6 weeks	Natural	123.1
BOTH SEXES	II	6 weeks	Mixed	11.9
BOTH SEXES	II	6 weeks	Bottle feeding	39.0
BOTH SEXES	II	6 weeks	No data recorded	8.2
BOTH SEXES	II	3 months	Total	182.1
BOTH SEXES	II	3 months	Natural	102.6
BOTH SEXES	II	3 months	Mixed	25.1
BOTH SEXES	II	3 months	Bottle feeding	48.1
BOTH SEXES	II	3 months	No data recorded	6.3
BOTH SEXES	II	6 months	Total	182.1
BOTH SEXES	II	6 months	Natural	42.9
BOTH SEXES	II	6 months	Mixed	44.4
BOTH SEXES	II	6 months	Bottle feeding	83.4
BOTH SEXES	II	6 months	No data recorded	11.4
BOTH SEXES	III	6 weeks	Total	394.0
BOTH SEXES	III	6 weeks	Natural	220.3
BOTH SEXES	III	6 weeks	Mixed	27.6
BOTH SEXES	III	6 weeks	Bottle feeding	127.6
BOTH SEXES	III	6 weeks	No data recorded	18.5
BOTH SEXES	III	3 months	Total	394.0
BOTH SEXES	III	3 months	Natural	165.7
BOTH SEXES	III	3 months	Mixed	58.6
BOTH SEXES	III	3 months	Bottle feeding	149.5
BOTH SEXES	III	3 months	No data recorded	20.2
BOTH SEXES	III	6 months	Total	394.0
BOTH SEXES	III	6 months	Natural	88.3
BOTH SEXES	III	6 months	Mixed	65.1
BOTH SEXES	III	6 months	Bottle feeding	206.0
BOTH SEXES	III	6 months	No data recorded	34.7
BOTH SEXES	IV	6 weeks	Total	296.2
BOTH SEXES	IV	6 weeks	Natural	203.9
BOTH SEXES	IV	6 weeks	Mixed	15.0
BOTH SEXES	IV	6 weeks	Bottle feeding	71.3
BOTH SEXES	IV	6 weeks	No data recorded	5.9
BOTH SEXES	IV	3 months	Total	296.2
BOTH SEXES	IV	3 months	Natural	151.6
BOTH SEXES	IV	3 months	Mixed	40.6
BOTH SEXES	IV	3 months	Bottle feeding	94.3
BOTH SEXES	IV	3 months	No data recorded	9.7
BOTH SEXES	IV	6 months	Total	296.2
BOTH SEXES	IV	6 months	Natural	78.0
BOTH SEXES	IV	6 months	Mixed	43.4
BOTH SEXES	IV	6 months	Bottle feeding	154.6
BOTH SEXES	IV	6 months	No data recorded	20.2
BOTH SEXES	V	6 weeks	Total	629.4
BOTH SEXES	V	6 weeks	Natural	387.5
BOTH SEXES	V	6 weeks	Mixed	34.3
BOTH SEXES	V	6 weeks	Bottle feeding	175.2
BOTH SEXES	V	6 weeks	No data recorded	32.3
BOTH SEXES	V	3 months	Total	629.4
BOTH SEXES	V	3 months	Natural	323.5
BOTH SEXES	V	3 months	Mixed	60.4
BOTH SEXES	V	3 months	Bottle feeding	217.1
BOTH SEXES	V	3 months	No data recorded	28.5
BOTH SEXES	V	6 months	Total	629.4
BOTH SEXES	V	6 months	Natural	156.3
BOTH SEXES	V	6 months	Mixed	99.5
BOTH SEXES	V	6 months	Bottle feeding	312.7
BOTH SEXES	V	6 months	No data recorded	60.9
BOTH SEXES	VI	6 weeks	Total	269.2
BOTH SEXES	VI	6 weeks	Natural	169.3
BOTH SEXES	VI	6 weeks	Mixed	10.3
BOTH SEXES	VI	6 weeks	Bottle feeding	65.9
BOTH SEXES	VI	6 weeks	No data recorded	23.6
BOTH SEXES	VI	3 months	Total	269.2
BOTH SEXES	VI	3 months	Natural	136.7
BOTH SEXES	VI	3 months	Mixed	28.3
BOTH SEXES	VI	3 months	Bottle feeding	81.9
BOTH SEXES	VI	3 months	No data recorded	22.3
BOTH SEXES	VI	6 months	Total	269.2
BOTH SEXES	VI	6 months	Natural	83.0
BOTH SEXES	VI	6 months	Mixed	43.3
BOTH SEXES	VI	6 months	Bottle feeding	106.5
BOTH SEXES	VI	6 months	No data recorded	36.4
BOTH SEXES	No data recorded	6 weeks	Total	141.1
BOTH SEXES	No data recorded	6 weeks	Natural	88.2
BOTH SEXES	No data recorded	6 weeks	Mixed	8.2
BOTH SEXES	No data recorded	6 weeks	Bottle feeding	34.9
BOTH SEXES	No data recorded	6 weeks	No data recorded	9.8
BOTH SEXES	No data recorded	3 months	Total	141.1
BOTH SEXES	No data recorded	3 months	Natural	76.3
BOTH SEXES	No data recorded	3 months	Mixed	17.6
BOTH SEXES	No data recorded	3 months	Bottle feeding	38.8
BOTH SEXES	No data recorded	3 months	No data recorded	8.4
BOTH SEXES	No data recorded	6 months	Total	141.1
BOTH SEXES	No data recorded	6 months	Natural	36.4
BOTH SEXES	No data recorded	6 months	Mixed	22.3
BOTH SEXES	No data recorded	6 months	Bottle feeding	69.2
BOTH SEXES	No data recorded	6 months	No data recorded	13.2
BOYS	Total	6 weeks	Total	1,138.0
BOYS	Total	6 weeks	Natural	702.4
BOYS	Total	6 weeks	Mixed	68.7
BOYS	Total	6 weeks	Bottle feeding	310.0
BOYS	Total	6 weeks	No data recorded	56.9
BOYS	Total	3 months	Total	1,138.0
BOYS	Total	3 months	Natural	585.1
BOYS	Total	3 months	Mixed	136.9
BOYS	Total	3 months	Bottle feeding	364.0
BOYS	Total	3 months	No data recorded	51.9
BOYS	Total	6 months	Total	1,138.0
BOYS	Total	6 months	Natural	280.9
BOYS	Total	6 months	Mixed	192.4
BOYS	Total	6 months	Bottle feeding	557.9
BOYS	Total	6 months	No data recorded	106.8
BOYS	I	6 weeks	Total	135.2
BOYS	I	6 weeks	Natural	87.5
BOYS	I	6 weeks	Mixed	14.2
BOYS	I	6 weeks	Bottle feeding	28.0
BOYS	I	6 weeks	No data recorded	5.5
BOYS	I	3 months	Total	135.2
BOYS	I	3 months	Natural	75.9
BOYS	I	3 months	Mixed	22.9
BOYS	I	3 months	Bottle feeding	30.8
BOYS	I	3 months	No data recorded	5.6
BOYS	I	6 months	Total	135.2
BOYS	I	6 months	Natural	43.4
BOYS	I	6 months	Mixed	23.2
BOYS	I	6 months	Bottle feeding	57.3
BOYS	I	6 months	No data recorded	11.3
BOYS	II	6 weeks	Total	98.8
BOYS	II	6 weeks	Natural	73.3
BOYS	II	6 weeks	Mixed	4.5
BOYS	II	6 weeks	Bottle feeding	15.3
BOYS	II	6 weeks	No data recorded	5.7
BOYS	II	3 months	Total	98.8
BOYS	II	3 months	Natural	63.8
BOYS	II	3 months	Mixed	10.9
BOYS	II	3 months	Bottle feeding	19.1
BOYS	II	3 months	No data recorded	5.0
BOYS	II	6 months	Total	98.8
BOYS	II	6 months	Natural	21.8
BOYS	II	6 months	Mixed	28.3
BOYS	II	6 months	Bottle feeding	39.6
BOYS	II	6 months	No data recorded	9.0
BOYS	III	6 weeks	Total	224.7
BOYS	III	6 weeks	Natural	121.0
BOYS	III	6 weeks	Mixed	16.3
BOYS	III	6 weeks	Bottle feeding	77.9
BOYS	III	6 weeks	No data recorded	9.5
BOYS	III	3 months	Total	224.7
BOYS	III	3 months	Natural	91.3
BOYS	III	3 months	Mixed	34.8
BOYS	III	3 months	Bottle feeding	89.8
BOYS	III	3 months	No data recorded	8.8
BOYS	III	6 months	Total	224.7
BOYS	III	6 months	Natural	40.2
BOYS	III	6 months	Mixed	38.8
BOYS	III	6 months	Bottle feeding	128.0
BOYS	III	6 months	No data recorded	17.7
BOYS	IV	6 weeks	Total	131.3
BOYS	IV	6 weeks	Natural	91.6
BOYS	IV	6 weeks	Mixed	4.5
BOYS	IV	6 weeks	Bottle feeding	32.4
BOYS	IV	6 weeks	No data recorded	2.7
BOYS	IV	3 months	Total	131.3
BOYS	IV	3 months	Natural	72.3
BOYS	IV	3 months	Mixed	15.1
BOYS	IV	3 months	Bottle feeding	39.8
BOYS	IV	3 months	No data recorded	4.1
BOYS	IV	6 months	Total	131.3
BOYS	IV	6 months	Natural	36.7
BOYS	IV	6 months	Mixed	16.2
BOYS	IV	6 months	Bottle feeding	70.8
BOYS	IV	6 months	No data recorded	7.5
BOYS	V	6 weeks	Total	316.6
BOYS	V	6 weeks	Natural	182.7
BOYS	V	6 weeks	Mixed	19.2
BOYS	V	6 weeks	Bottle feeding	95.2
BOYS	V	6 weeks	No data recorded	19.3
BOYS	V	3 months	Total	316.6
BOYS	V	3 months	Natural	159.6
BOYS	V	3 months	Mixed	28.6
BOYS	V	3 months	Bottle feeding	111.7
BOYS	V	3 months	No data recorded	16.6
BOYS	V	6 months	Total	316.6
BOYS	V	6 months	Natural	70.0
BOYS	V	6 months	Mixed	49.0
BOYS	V	6 months	Bottle feeding	159.5
BOYS	V	6 months	No data recorded	38.1
BOYS	VI	6 weeks	Total	141.5
BOYS	VI	6 weeks	Natural	93.3
BOYS	VI	6 weeks	Mixed	5.2
BOYS	VI	6 weeks	Bottle feeding	33.1
BOYS	VI	6 weeks	No data recorded	9.8
BOYS	VI	3 months	Total	141.5
BOYS	VI	3 months	Natural	75.0
BOYS	VI	3 months	Mixed	15.3
BOYS	VI	3 months	Bottle feeding	43.7
BOYS	VI	3 months	No data recorded	7.5
BOYS	VI	6 months	Total	141.5
BOYS	VI	6 months	Natural	44.3
BOYS	VI	6 months	Mixed	26.1
BOYS	VI	6 months	Bottle feeding	56.0
BOYS	VI	6 months	No data recorded	15.1
BOYS	No data recorded	6 weeks	Total	90.0
BOYS	No data recorded	6 weeks	Natural	52.8
BOYS	No data recorded	6 weeks	Mixed	4.7
BOYS	No data recorded	6 weeks	Bottle feeding	28.1
BOYS	No data recorded	6 weeks	No data recorded	4.3
BOYS	No data recorded	3 months	Total	90.0
BOYS	No data recorded	3 months	Natural	47.2
BOYS	No data recorded	3 months	Mixed	9.3
BOYS	No data recorded	3 months	Bottle feeding	29.1
BOYS	No data recorded	3 months	No data recorded	4.3
BOYS	No data recorded	6 months	Total	90.0
BOYS	No data recorded	6 months	Natural	24.4
BOYS	No data recorded	6 months	Mixed	10.6
BOYS	No data recorded	6 months	Bottle feeding	46.7
BOYS	No data recorded	6 months	No data recorded	8.2
GIRLS	Total	6 weeks	Total	1,057.4
GIRLS	Total	6 weeks	Natural	678.9
GIRLS	Total	6 weeks	Mixed	60.9
GIRLS	Total	6 weeks	Bottle feeding	267.0
GIRLS	Total	6 weeks	No data recorded	50.6
GIRLS	Total	3 months	Total	1,057.4
GIRLS	Total	3 months	Natural	534.6
GIRLS	Total	3 months	Mixed	134.8
GIRLS	Total	3 months	Bottle feeding	335.4
GIRLS	Total	3 months	No data recorded	52.6
GIRLS	Total	6 months	Total	1,057.4
GIRLS	Total	6 months	Natural	290.6
GIRLS	Total	6 months	Mixed	176.5
GIRLS	Total	6 months	Bottle feeding	504.6
GIRLS	Total	6 months	No data recorded	85.6
GIRLS	I	6 weeks	Total	148.1
GIRLS	I	6 weeks	Natural	101.4
GIRLS	I	6 weeks	Mixed	8.1
GIRLS	I	6 weeks	Bottle feeding	35.1
GIRLS	I	6 weeks	No data recorded	3.6
GIRLS	I	3 months	Total	148.1
GIRLS	I	3 months	Natural	87.4
GIRLS	I	3 months	Mixed	18.2
GIRLS	I	3 months	Bottle feeding	38.9
GIRLS	I	3 months	No data recorded	3.6
GIRLS	I	6 months	Total	148.1
GIRLS	I	6 months	Natural	43.2
GIRLS	I	6 months	Mixed	27.7
GIRLS	I	6 months	Bottle feeding	72.9
GIRLS	I	6 months	No data recorded	4.3
GIRLS	II	6 weeks	Total	83.3
GIRLS	II	6 weeks	Natural	49.8
GIRLS	II	6 weeks	Mixed	7.4
GIRLS	II	6 weeks	Bottle feeding	23.7
GIRLS	II	6 weeks	No data recorded	2.5
GIRLS	II	3 months	Total	83.3
GIRLS	II	3 months	Natural	38.8
GIRLS	II	3 months	Mixed	14.2
GIRLS	II	3 months	Bottle feeding	29.0
GIRLS	II	3 months	No data recorded	1.2
GIRLS	II	6 months	Total	83.3
GIRLS	II	6 months	Natural	21.1
GIRLS	II	6 months	Mixed	16.1
GIRLS	II	6 months	Bottle feeding	43.8
GIRLS	II	6 months	No data recorded	2.4
GIRLS	III	6 weeks	Total	169.4
GIRLS	III	6 weeks	Natural	99.3
GIRLS	III	6 weeks	Mixed	11.3
GIRLS	III	6 weeks	Bottle feeding	49.7
GIRLS	III	6 weeks	No data recorded	9.0
GIRLS	III	3 months	Total	169.4
GIRLS	III	3 months	Natural	74.4
GIRLS	III	3 months	Mixed	23.8
GIRLS	III	3 months	Bottle feeding	59.8
GIRLS	III	3 months	No data recorded	11.5
GIRLS	III	6 months	Total	169.4
GIRLS	III	6 months	Natural	48.1
GIRLS	III	6 months	Mixed	26.2
GIRLS	III	6 months	Bottle feeding	78.0
GIRLS	III	6 months	No data recorded	17.0
GIRLS	IV	6 weeks	Total	164.9
GIRLS	IV	6 weeks	Natural	112.3
GIRLS	IV	6 weeks	Mixed	10.5
GIRLS	IV	6 weeks	Bottle feeding	38.8
GIRLS	IV	6 weeks	No data recorded	3.2
GIRLS	IV	3 months	Total	164.9
GIRLS	IV	3 months	Natural	79.3
GIRLS	IV	3 months	Mixed	25.6
GIRLS	IV	3 months	Bottle feeding	54.4
GIRLS	IV	3 months	No data recorded	5.6
GIRLS	IV	6 months	Total	164.9
GIRLS	IV	6 months	Natural	41.3
GIRLS	IV	6 months	Mixed	27.1
GIRLS	IV	6 months	Bottle feeding	83.9
GIRLS	IV	6 months	No data recorded	12.6
GIRLS	V	6 weeks	Total	312.9
GIRLS	V	6 weeks	Natural	204.8
GIRLS	V	6 weeks	Mixed	15.1
GIRLS	V	6 weeks	Bottle feeding	80.0
GIRLS	V	6 weeks	No data recorded	13.0
GIRLS	V	3 months	Total	312.9
GIRLS	V	3 months	Natural	163.9
GIRLS	V	3 months	Mixed	31.8
GIRLS	V	3 months	Bottle feeding	105.4
GIRLS	V	3 months	No data recorded	11.8
GIRLS	V	6 months	Total	312.9
GIRLS	V	6 months	Natural	86.4
GIRLS	V	6 months	Mixed	50.5
GIRLS	V	6 months	Bottle feeding	153.1
GIRLS	V	6 months	No data recorded	22.8
GIRLS	VI	6 weeks	Total	127.7
GIRLS	VI	6 weeks	Natural	76.0
GIRLS	VI	6 weeks	Mixed	5.0
GIRLS	VI	6 weeks	Bottle feeding	32.8
GIRLS	VI	6 weeks	No data recorded	13.8
GIRLS	VI	3 months	Total	127.7
GIRLS	VI	3 months	Natural	61.7
GIRLS	VI	3 months	Mixed	13.0
GIRLS	VI	3 months	Bottle feeding	38.2
GIRLS	VI	3 months	No data recorded	14.7
GIRLS	VI	6 months	Total	127.7
GIRLS	VI	6 months	Natural	38.6
GIRLS	VI	6 months	Mixed	17.2
GIRLS	VI	6 months	Bottle feeding	50.5
GIRLS	VI	6 months	No data recorded	21.4
GIRLS	No data recorded	6 weeks	Total	51.2
GIRLS	No data recorded	6 weeks	Natural	35.4
GIRLS	No data recorded	6 weeks	Mixed	3.5
GIRLS	No data recorded	6 weeks	Bottle feeding	6.8
GIRLS	No data recorded	6 weeks	No data recorded	5.5
GIRLS	No data recorded	3 months	Total	51.2
GIRLS	No data recorded	3 months	Natural	29.1
GIRLS	No data recorded	3 months	Mixed	8.3
GIRLS	No data recorded	3 months	Bottle feeding	9.7
GIRLS	No data recorded	3 months	No data recorded	4.1
GIRLS	No data recorded	6 months	Total	51.2
GIRLS	No data recorded	6 months	Natural	12.0
GIRLS	No data recorded	6 months	Mixed	11.6
GIRLS	No data recorded	6 months	Bottle feeding	22.5
GIRLS	No data recorded	6 months	No data recorded	5.1