Table 1. Characteristics of the participants .

Variables	Time 1 (n = 1445)
Age (mean ± SD)	28.59 ± 5.46
Years of education	6.70 ± 3.66
Household income (1000 Rials)a	918.49 ± 597.36
Knowledge	9.36 ± 3.86
Attitude	4.17 ± 1.33
Subjective norms	3.33 ± 1.35
Perceived behavioural control	3.23 ± 1.31
Behavioral intentions	3.19 ± 1.16
Moral norms	3.35 ± 1.42
Self-Identity	3.28 ± 1.19
Sex of the baby	n (%)
Boy	737 (51.0%)
Girl	708 (49.0%)
First child
Yes	758 (52.5%)
No	687 (47.5%)
Occupational status
Employed	359 (24.8%)
Unemployed	1086 (75.2%)
Obstetric data
Vaginal delivery	494 (34.2%)
Cesarean section	951 (65.8%)
Breastfeeding at birth
Yes	1161 (80.3%)
No	284 (19.7%)
Breastfeeding at 6 months
Yes	490 (34.4%)
No	935 (65.6%)

Abbreviation: SD, Standard deviation.

^a 35000 Rials = US$1, January 2015.