Table 9

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

Characteristics	Pre-intervention	6-week follow-up	Box M p value	Wilk’s lambda	P value
Characteristics	M (SD)	M (SD)	Box M p value	Wilk’s lambda	P value
Age
15–19	13.8 (1.92)	39.8 (0.84)	0.195	0.955	0.085
20–24	12.2 (2.5)	13.2 (1.3)
25–29	12.97 (1.99)	13.18 (1.32)
30–34	12.06 (2.34)	13.10 (1.41)
35–39	12.95 (2.52)	12.84 (1.58)
40–44	12 (1)	12 (2.64)
Gravidity
Primigravida	12.21 (2.38)	10.02 (1.61)	0.080	0.994	0.252
Multigravida	12.72 (2.25)	13.18 (1.24)	0.080	0.994	0.252
Parity
Nullipara	2.17 (2.36)	13.04 (1.55)	0.039	0.974	0.136
Primipara	12.4 (2.48)	13.22 (1.16)
Multipara	13.09 (2.06)	13.23 (1.11)
Grand multipara	12.54 (2.3)	12.9 (1.78)
Gestational age
1st trimester	11.7 (1.91)	12.86 (1.43)	0.453	0.988	0.108
2nd trimester	12.68 (2.34)	13.16 (1.37)	0.453	0.988	0.108
Marital status
Married	12.56 (2.25)	13.08 (1.4)	0.086	0.997	0.411
Single	12.56 (2.98)	13.56 (0.96)	0.086	0.997	0.411
Woman’s educational status
Junior and below	12.16 (2.32)	12.89 (1.48)	0.426	0.996	0.659
Secondary	12.62 (2.35)	13.21 (1.3)
College/university level	12.86 (2.06)	13.14 (1.56)
Husband’s educational level
Junior and below	12.15 (2.25)	12.62 (1.53)	0.026	0.990	0.759
Secondary	12.69 (2.16)	13.29 (1.25)
College/university level	12.38 (2.55)	12.78 (1.7)
Occupation
Housewife	12.6 (2.23)	13.26 (1.22)	0.276	0.998	0.847
Government employee	12.59 (2.55)	12.78 (1.73)
Private employee	13.37 (2.4)	12.85 (1.59)
Unemployed	11.75 (2.62)	13.25 (1.5)
Number of ANC visits
One	12.51 (2.24)	13.11 (1.46)	0.558	0.996	0.835
Two	12.61 (2.49)	13.34 (1.15)
Three	12.62 (2.28)	13.06 (1.41)
Four or more	12.45 (2.35)	12.7 (1.38)

ANC, antenatal care.