Table 2.

Descriptive results

	Boys (n=503)	Girls (n=856)	Average
Middle childhood
Average number of risk factors (n= 1316)	3.43 (2.33)	3.29 (2.28)	3.34 (2.30)
Average number of promotive factors (n= 1282)	2.92 (2.11)	3.00 (2.37)	2.97 (2.28)
Late childhood
Average number of risk factors (n= 1318)	3.41 (2.24)	3.19 (2.34)	3.27(2.31)
Average number of promotive factors* (n = 1281)	2.95 (2.17)	3.42 (2.51)	3.24 (2.40)
% delinquent*	24.5 %	9.7 %	15.2 %
Adolescence
% delinquent*	42.6 %	21.2 %	29.2 %

Standard deviations are in parentheses. With t-tests it was tested whether boys and girls differed in number of risk and promotive factors. Crosstabs were used to test the difference in delinquency prevalence

^*significantly different for boys and girls at p<0.05