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Table 4 Mean difference between pre and post-intervention analysis of social skills by socio-demographic variables (N = 30)

From: Effect of a classroom-based intervention on the social skills of pupils with intellectual disability in Southwest Nigeria

Socio-demographic variable Mean difference (between pre and post scores) p
Sex
 Male 14.88 ± 9.29 0.790a
 Female 16.71 ± 11.78
Religion
 Christianity 16.48 ± 11.28 0.737a
 Islam 13.29 ± 6.73
Family type
 Monogamy 17.75 ± 11.72 0.650a
 Polygamy 11.70 ± 5.46
Marital status of parents
 Married 10.00 ± 15.72 0.471a
 Not married 12.00 ± 16.70
Father’s level of education
 No formal education 13.06 ± 6.03 0.805b
 Primary 14.44 ± 10.99
 Post primary 26.60 ± 14.94
Mother’s level of education
 No formal education 12.86 ± 8.03 0.015 b
 Primary 18.90 ± 12.33
 Post primary 16.30 ± 9.60
  1. aMann–Whitney U test
  2. bKruskal–Wallis test
  3. The significant value (p < 0.05) is in italic