Sex;Social class;Mental Health;Average number;Total BOTH SEXES;Total;Emotional symptoms;Average;1.76 BOTH SEXES;Total;Emotional symptoms;Standard deviation;1.85 BOTH SEXES;Total;Behavioural problems;Average;1.67 BOTH SEXES;Total;Behavioural problems;Standard deviation;1.67 BOTH SEXES;Total;Hyperactivity;Average;4.00 BOTH SEXES;Total;Hyperactivity;Standard deviation;2.61 BOTH SEXES;Total;Problems with classmates;Average;1.09 BOTH SEXES;Total;Problems with classmates;Standard deviation;1.46 BOTH SEXES;Total;Prosocial behaviors;Average;8.93 BOTH SEXES;Total;Prosocial behaviors;Standard deviation;1.48 BOTH SEXES;I;Emotional symptoms;Average;1.61 BOTH SEXES;I;Emotional symptoms;Standard deviation;1.62 BOTH SEXES;I;Behavioural problems;Average;1.52 BOTH SEXES;I;Behavioural problems;Standard deviation;1.53 BOTH SEXES;I;Hyperactivity;Average;3.69 BOTH SEXES;I;Hyperactivity;Standard deviation;2.59 BOTH SEXES;I;Problems with classmates;Average;0.92 BOTH SEXES;I;Problems with classmates;Standard deviation;1.25 BOTH SEXES;I;Prosocial behaviors;Average;8.84 BOTH SEXES;I;Prosocial behaviors;Standard deviation;1.45 BOTH SEXES;II;Emotional symptoms;Average;1.54 BOTH SEXES;II;Emotional symptoms;Standard deviation;1.77 BOTH SEXES;II;Behavioural problems;Average;1.46 BOTH SEXES;II;Behavioural problems;Standard deviation;1.55 BOTH SEXES;II;Hyperactivity;Average;3.41 BOTH SEXES;II;Hyperactivity;Standard deviation;2.51 BOTH SEXES;II;Problems with classmates;Average;1.04 BOTH SEXES;II;Problems with classmates;Standard deviation;1.46 BOTH SEXES;II;Prosocial behaviors;Average;8.94 BOTH SEXES;II;Prosocial behaviors;Standard deviation;1.29 BOTH SEXES;III;Emotional symptoms;Average;1.62 BOTH SEXES;III;Emotional symptoms;Standard deviation;1.76 BOTH SEXES;III;Behavioural problems;Average;1.48 BOTH SEXES;III;Behavioural problems;Standard deviation;1.56 BOTH SEXES;III;Hyperactivity;Average;3.95 BOTH SEXES;III;Hyperactivity;Standard deviation;2.63 BOTH SEXES;III;Problems with classmates;Average;1.01 BOTH SEXES;III;Problems with classmates;Standard deviation;1.36 BOTH SEXES;III;Prosocial behaviors;Average;9.01 BOTH SEXES;III;Prosocial behaviors;Standard deviation;1.39 BOTH SEXES;IV;Emotional symptoms;Average;1.83 BOTH SEXES;IV;Emotional symptoms;Standard deviation;1.98 BOTH SEXES;IV;Behavioural problems;Average;1.57 BOTH SEXES;IV;Behavioural problems;Standard deviation;1.59 BOTH SEXES;IV;Hyperactivity;Average;4.05 BOTH SEXES;IV;Hyperactivity;Standard deviation;2.56 BOTH SEXES;IV;Problems with classmates;Average;1.08 BOTH SEXES;IV;Problems with classmates;Standard deviation;1.56 BOTH SEXES;IV;Prosocial behaviors;Average;8.89 BOTH SEXES;IV;Prosocial behaviors;Standard deviation;1.71 BOTH SEXES;V;Emotional symptoms;Average;1.82 BOTH SEXES;V;Emotional symptoms;Standard deviation;1.88 BOTH SEXES;V;Behavioural problems;Average;1.88 BOTH SEXES;V;Behavioural problems;Standard deviation;1.78 BOTH SEXES;V;Hyperactivity;Average;4.24 BOTH SEXES;V;Hyperactivity;Standard deviation;2.62 BOTH SEXES;V;Problems with classmates;Average;1.20 BOTH SEXES;V;Problems with classmates;Standard deviation;1.52 BOTH SEXES;V;Prosocial behaviors;Average;8.95 BOTH SEXES;V;Prosocial behaviors;Standard deviation;1.49 BOTH SEXES;VI;Emotional symptoms;Average;2.05 BOTH SEXES;VI;Emotional symptoms;Standard deviation;1.98 BOTH SEXES;VI;Behavioural problems;Average;1.90 BOTH SEXES;VI;Behavioural problems;Standard deviation;1.74 BOTH SEXES;VI;Hyperactivity;Average;4.28 BOTH SEXES;VI;Hyperactivity;Standard deviation;2.59 BOTH SEXES;VI;Problems with classmates;Average;1.22 BOTH SEXES;VI;Problems with classmates;Standard deviation;1.53 BOTH SEXES;VI;Prosocial behaviors;Average;8.80 BOTH SEXES;VI;Prosocial behaviors;Standard deviation;1.51 BOTH SEXES;No data recorded;Emotional symptoms;Average;1.81 BOTH SEXES;No data recorded;Emotional symptoms;Standard deviation;1.79 BOTH SEXES;No data recorded;Behavioural problems;Average;1.63 BOTH SEXES;No data recorded;Behavioural problems;Standard deviation;1.66 BOTH SEXES;No data recorded;Hyperactivity;Average;3.72 BOTH SEXES;No data recorded;Hyperactivity;Standard deviation;2.63 BOTH SEXES;No data recorded;Problems with classmates;Average;1.08 BOTH SEXES;No data recorded;Problems with classmates;Standard deviation;1.50 BOTH SEXES;No data recorded;Prosocial behaviors;Average;9.08 BOTH SEXES;No data recorded;Prosocial behaviors;Standard deviation;1.35 MALES;Total;Emotional symptoms;Average;1.70 MALES;Total;Emotional symptoms;Standard deviation;1.81 MALES;Total;Behavioural problems;Average;1.70 MALES;Total;Behavioural problems;Standard deviation;1.67 MALES;Total;Hyperactivity;Average;4.31 MALES;Total;Hyperactivity;Standard deviation;2.65 MALES;Total;Problems with classmates;Average;1.15 MALES;Total;Problems with classmates;Standard deviation;1.51 MALES;Total;Prosocial behaviors;Average;8.84 MALES;Total;Prosocial behaviors;Standard deviation;1.51 MALES;I;Emotional symptoms;Average;1.66 MALES;I;Emotional symptoms;Standard deviation;1.60 MALES;I;Behavioural problems;Average;1.77 MALES;I;Behavioural problems;Standard deviation;1.65 MALES;I;Hyperactivity;Average;3.95 MALES;I;Hyperactivity;Standard deviation;2.73 MALES;I;Problems with classmates;Average;1.05 MALES;I;Problems with classmates;Standard deviation;1.35 MALES;I;Prosocial behaviors;Average;8.79 MALES;I;Prosocial behaviors;Standard deviation;1.47 MALES;II;Emotional symptoms;Average;1.49 MALES;II;Emotional symptoms;Standard deviation;1.69 MALES;II;Behavioural problems;Average;1.45 MALES;II;Behavioural problems;Standard deviation;1.58 MALES;II;Hyperactivity;Average;3.64 MALES;II;Hyperactivity;Standard deviation;2.49 MALES;II;Problems with classmates;Average;1.10 MALES;II;Problems with classmates;Standard deviation;1.26 MALES;II;Prosocial behaviors;Average;8.82 MALES;II;Prosocial behaviors;Standard deviation;1.27 MALES;III;Emotional symptoms;Average;1.53 MALES;III;Emotional symptoms;Standard deviation;1.69 MALES;III;Behavioural problems;Average;1.45 MALES;III;Behavioural problems;Standard deviation;1.51 MALES;III;Hyperactivity;Average;4.33 MALES;III;Hyperactivity;Standard deviation;2.65 MALES;III;Problems with classmates;Average;1.05 MALES;III;Problems with classmates;Standard deviation;1.33 MALES;III;Prosocial behaviors;Average;8.99 MALES;III;Prosocial behaviors;Standard deviation;1.41 MALES;IV;Emotional symptoms;Average;1.68 MALES;IV;Emotional symptoms;Standard deviation;1.86 MALES;IV;Behavioural problems;Average;1.48 MALES;IV;Behavioural problems;Standard deviation;1.51 MALES;IV;Hyperactivity;Average;4.24 MALES;IV;Hyperactivity;Standard deviation;2.64 MALES;IV;Problems with classmates;Average;1.08 MALES;IV;Problems with classmates;Standard deviation;1.68 MALES;IV;Prosocial behaviors;Average;8.86 MALES;IV;Prosocial behaviors;Standard deviation;1.68 MALES;V;Emotional symptoms;Average;1.81 MALES;V;Emotional symptoms;Standard deviation;1.90 MALES;V;Behavioural problems;Average;1.98 MALES;V;Behavioural problems;Standard deviation;1.77 MALES;V;Hyperactivity;Average;4.62 MALES;V;Hyperactivity;Standard deviation;2.60 MALES;V;Problems with classmates;Average;1.32 MALES;V;Problems with classmates;Standard deviation;1.65 MALES;V;Prosocial behaviors;Average;8.81 MALES;V;Prosocial behaviors;Standard deviation;1.57 MALES;VI;Emotional symptoms;Average;1.92 MALES;VI;Emotional symptoms;Standard deviation;1.88 MALES;VI;Behavioural problems;Average;1.79 MALES;VI;Behavioural problems;Standard deviation;1.70 MALES;VI;Hyperactivity;Average;4.48 MALES;VI;Hyperactivity;Standard deviation;2.55 MALES;VI;Problems with classmates;Average;1.17 MALES;VI;Problems with classmates;Standard deviation;1.51 MALES;VI;Prosocial behaviors;Average;8.68 MALES;VI;Prosocial behaviors;Standard deviation;1.48 MALES;No data recorded;Emotional symptoms;Average;1.79 MALES;No data recorded;Emotional symptoms;Standard deviation;1.90 MALES;No data recorded;Behavioural problems;Average;1.60 MALES;No data recorded;Behavioural problems;Standard deviation;1.77 MALES;No data recorded;Hyperactivity;Average;4.05 MALES;No data recorded;Hyperactivity;Standard deviation;2.81 MALES;No data recorded;Problems with classmates;Average;1.09 MALES;No data recorded;Problems with classmates;Standard deviation;1.51 MALES;No data recorded;Prosocial behaviors;Average;8.92 MALES;No data recorded;Prosocial behaviors;Standard deviation;1.41 FEMALES;Total;Emotional symptoms;Average;1.82 FEMALES;Total;Emotional symptoms;Standard deviation;1.88 FEMALES;Total;Behavioural problems;Average;1.64 FEMALES;Total;Behavioural problems;Standard deviation;1.67 FEMALES;Total;Hyperactivity;Average;3.66 FEMALES;Total;Hyperactivity;Standard deviation;2.53 FEMALES;Total;Problems with classmates;Average;1.03 FEMALES;Total;Problems with classmates;Standard deviation;1.40 FEMALES;Total;Prosocial behaviors;Average;9.02 FEMALES;Total;Prosocial behaviors;Standard deviation;1.44 FEMALES;I;Emotional symptoms;Average;1.56 FEMALES;I;Emotional symptoms;Standard deviation;1.64 FEMALES;I;Behavioural problems;Average;1.30 FEMALES;I;Behavioural problems;Standard deviation;1.37 FEMALES;I;Hyperactivity;Average;3.47 FEMALES;I;Hyperactivity;Standard deviation;2.43 FEMALES;I;Problems with classmates;Average;0.80 FEMALES;I;Problems with classmates;Standard deviation;1.15 FEMALES;I;Prosocial behaviors;Average;8.88 FEMALES;I;Prosocial behaviors;Standard deviation;1.43 FEMALES;II;Emotional symptoms;Average;1.58 FEMALES;II;Emotional symptoms;Standard deviation;1.84 FEMALES;II;Behavioural problems;Average;1.47 FEMALES;II;Behavioural problems;Standard deviation;1.52 FEMALES;II;Hyperactivity;Average;3.22 FEMALES;II;Hyperactivity;Standard deviation;2.51 FEMALES;II;Problems with classmates;Average;0.99 FEMALES;II;Problems with classmates;Standard deviation;1.61 FEMALES;II;Prosocial behaviors;Average;9.04 FEMALES;II;Prosocial behaviors;Standard deviation;1.29 FEMALES;III;Emotional symptoms;Average;1.74 FEMALES;III;Emotional symptoms;Standard deviation;1.83 FEMALES;III;Behavioural problems;Average;1.52 FEMALES;III;Behavioural problems;Standard deviation;1.63 FEMALES;III;Hyperactivity;Average;3.48 FEMALES;III;Hyperactivity;Standard deviation;2.52 FEMALES;III;Problems with classmates;Average;0.96 FEMALES;III;Problems with classmates;Standard deviation;1.40 FEMALES;III;Prosocial behaviors;Average;9.03 FEMALES;III;Prosocial behaviors;Standard deviation;1.38 FEMALES;IV;Emotional symptoms;Average;2.02 FEMALES;IV;Emotional symptoms;Standard deviation;2.12 FEMALES;IV;Behavioural problems;Average;1.68 FEMALES;IV;Behavioural problems;Standard deviation;1.68 FEMALES;IV;Hyperactivity;Average;3.79 FEMALES;IV;Hyperactivity;Standard deviation;2.43 FEMALES;IV;Problems with classmates;Average;1.08 FEMALES;IV;Problems with classmates;Standard deviation;1.37 FEMALES;IV;Prosocial behaviors;Average;8.93 FEMALES;IV;Prosocial behaviors;Standard deviation;1.75 FEMALES;V;Emotional symptoms;Average;1.83 FEMALES;V;Emotional symptoms;Standard deviation;1.86 FEMALES;V;Behavioural problems;Average;1.76 FEMALES;V;Behavioural problems;Standard deviation;1.79 FEMALES;V;Hyperactivity;Average;3.83 FEMALES;V;Hyperactivity;Standard deviation;2.57 FEMALES;V;Problems with classmates;Average;1.06 FEMALES;V;Problems with classmates;Standard deviation;1.34 FEMALES;V;Prosocial behaviors;Average;9.10 FEMALES;V;Prosocial behaviors;Standard deviation;1.37 FEMALES;VI;Emotional symptoms;Average;2.17 FEMALES;VI;Emotional symptoms;Standard deviation;2.05 FEMALES;VI;Behavioural problems;Average;1.99 FEMALES;VI;Behavioural problems;Standard deviation;1.77 FEMALES;VI;Hyperactivity;Average;4.10 FEMALES;VI;Hyperactivity;Standard deviation;2.62 FEMALES;VI;Problems with classmates;Average;1.27 FEMALES;VI;Problems with classmates;Standard deviation;1.54 FEMALES;VI;Prosocial behaviors;Average;8.90 FEMALES;VI;Prosocial behaviors;Standard deviation;1.53 FEMALES;No data recorded;Emotional symptoms;Average;1.84 FEMALES;No data recorded;Emotional symptoms;Standard deviation;1.65 FEMALES;No data recorded;Behavioural problems;Average;1.66 FEMALES;No data recorded;Behavioural problems;Standard deviation;1.53 FEMALES;No data recorded;Hyperactivity;Average;3.32 FEMALES;No data recorded;Hyperactivity;Standard deviation;2.32 FEMALES;No data recorded;Problems with classmates;Average;1.07 FEMALES;No data recorded;Problems with classmates;Standard deviation;1.49 FEMALES;No data recorded;Prosocial behaviors;Average;9.27 FEMALES;No data recorded;Prosocial behaviors;Standard deviation;1.27