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Table 1 Comparison of baseline demographic variables for the two groups

From: Effects of problem-solving interventions on aggressive behaviours among primary school pupils in Ibadan, Nigeria

No Variable Treatment group (N = 20) Control group (N = 20) Test t (df) or X2 p value
1 Age (mean, SD) 12.28 (1.07) 11.89 (1.45) −0.91 (35) 0.37
2 Number of mother’s children (mean, SD) 4.50 (1.89) 4.63 (1.80) 0.22 (35) 0.83
3 Number of rooms in the home (mean, SD) 1.33 (0.49) 1.21 (0.42) −0.25 (35) 0.42
4 Number of people living in the house (mean, SD) 5.11 (1.97) 5.74 (2.85) 0.77 (35 0.44
5 Family type: n (%)
 Monogamous 11 (61.1) 14 (73.7) 0.67 0.50
 Polygamous 7 (38.9) 5 (26.3)   
6 Parents’ status: n (%)
 Living together 12 (66.7) 13 (68.4) 0.01 1.0
 Separated/late 6 (33.3) 6 (31.6)   
7 Valued household items: n (%)
 Less than 3 items 3 (16.7) 5 (26.3) 0.51 0.69
 3 or more items 15 (83.3) 14 (73.7)   
8 Academic performance n (%)
 Top half of the class 11 (61.1) 14 (73.7) 1.49 0.34
 Bottom half of the class 7 (38.9) 5 (26.3)