Table 5

Effectiveness of the intervention by demographic variables on knowledge (n=215)

CharacteristicsPre-interventionImmediate post-intervention6- week follow-upBox M
p value
Wilk’s lambdaP value
M (SD)M (SD)M (SD)
Age
 15–1924 (4.9)39 (3.53)39.8 (3.42)0.9500.9510.386
 20–2428.2 (5.15)42.8 (3.25)41.07 (3.57)
 25–2928.9 (5.04)42.45 (3.74)40.56 (3.92)
 30–3429.4 (5.05)42.83 (3.35)41.15 (4.10)
 35–3931.4 (4.24)43.79 (2.26)41.7 (3.68)
 40–4430.34 (5.5)43.34 (6.42)39.67 (3.05)
Gravidity
 Primigravida28.31 (5.22)43.19 (3.53)41.70 (3.64)0.3320.9570.01
 Multigravida29.38 (5.00)42.48 (3.38)40.54 (3.84)
Parity
 Nullipara28.48 (5.19)43.02 (3.44)41.45 (3.75)0.2550.9620.221
 Primipara28.87 (5.01)42.71 (3.45)40.6 (3.8)
 Multipara29.37 (4.6)42.19 (3.38)40.47 (4.05)
 Grand multipara30.42 (6.04)43 (3.66)40.95 (3.16)
Gestational age
 1st trimester28.37 (4.9)43.67 (3.19)41 (4.69)0.4260.9660.26
 2nd trimester29 (1.2)42.57 (3.47)40.93 (3.65)
Marital status
 Married29.14 (4.98)42.81 (3.38)40.96 (3.81)0.6270.9920.407
 Single26.87 (5.86)41.5 (4.04)40.5 (3.67)
Woman’s educational status
 Junior and below27.7 (5.35)42.06 (3.7)40.24 (3.98)0.6680.9920.79
 Secondary29.34 (4.87)42.86 (3.37)41.02 (3.84)
 College/university level29.67 (5.38)43.24 (3.29)41.74 (3.18)
Husband’s educational level
 Junior and below29.4 (4.84)43.25 (2.6)41.56 (3.4)0.4680.990.759
 Secondary28.79 (4.78)42.61 (3.54)40.67 (3.99)
 College/university level30.17 (5.73)43.0 (3.47)41.3 (3.52)
Occupation
 Housewife28.59 (4.74)42.43 (3.44)40.59 (3.8)0.5510.9840.75
 Government employee30.81 (5.6)43.94 (2.95)42.19 (3.03)
 Private employee29.14 (5.46)42.86 (3.35)41.54 (4.27)
 Unemployed28.75 (8.43)42.5 (6.46)38.5 (2.52)
Number of ANC visits
 One28.19 (5.02)42.56 (3.38)41.05 (3.58)0.8210.9370.133
 Two29.14 (4.78)42.37 (3.59)40.62 (4.11)
 Three30.09 (5.4)43.06 (3.12)41.15 (4.11)
 Four or more31.5 (4.94)44.05 (3.79)40.8 (3.91)
  • ANC, antenatal care.