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Table 4 Bivariate and multivariate logistic regression model showing predictors of spouses’ age difference and contraceptive use, 2016 EDHS

From: Spousal age difference and its effect on contraceptive use among sexually active couples in Ethiopia: evidence from the 2016 Ethiopia demographic and health survey

Variable and its category COR [95% CI] AOR [95% CI]
Women age classification 15–19 .713(.564, 900) .892 (.665, 1.197)
20–24 .890 (.764, 1.037) .941 (.784, 1.128)
25–29 1  
30–34 .825 (.711, 956) .886 (.746, 1.052)
35–39 .773 (.659, 907) .882 (.723, 1.077)
40–44 .805 (.666, 974) .877 (.687, 1.120)
45–49 .348 (.266, 454) .455 (.326, 636)*
Age difference Negative (Age of wife is greater) 1.506 (1.131, 2.006) 1.771 (1.276, 2.459)*
Equal to that of wife .960 (.677, 1.361) .790 (.542, 1.153)
Age of husband greater by ≤10 years 1  
Age of husband greater by 10 years .963 (.839, 1.106) .988 (.848, 1.150)
Type of place of residence Urban 2.612 (2.258, 3.022) 1.482 (1.161, 1.890)*
Rural 1 1
Religion Orthodox 1  
Protestant .818 (.719, 930) .966 (.808, 1.155)
Muslim .359 (.317, 405) .579 (.496, 675) *
Other .618 (.419, .912) .944 (.611, 1.459)
Current working status Not working 1  
Working 1.506 (1.352, 1.677) 1.170 (1.033, 1.325) *
Wealth Index Poorest 1 1
Poorer 1.967 (1.640, 2.358) 1.796 (1.479, 2.180) *
Middle 2.662 (2.224, 3.186) 2.314 (1.906, 2.809) *
Richer 2.854 (2.385, 3.415) 2.454 (2.015, 2.988) *
Richest 4.668 (3.891, 5.601) 2.560 (2.000, 3.278) *
Husband/partner’s education level No education 1  
Primary 1.321 (1.183, 1.475) 1.158 (1.013, 1.323) *
Secondary 1.684 (1.404, 2.021) 1.040 (.823, 1.316)
Higher 3.120 (2.505, 3.885) 1.282 (.941, 1.746)
Don’t know 1.043 (.524, 2.079) .828 (.397, 1.723)
Highest educational level women No education 1  
Primary 1.474 (1.318, 1.649) 1.042 (.904, 1.202)
Secondary 2.524 (2.033, 3.134) 1.142 (.859, 1.518)
Higher 3.439 (2.579, 4.585) 1.175 (.786, 1.756)
Living children and current pregnancy No child 2.013 (1.611, 2.516) 1.674 (1.193, 2.349) *
One Child 2.155 (1.815, 2.560) 2.148 (1.636, 2.820) *
Two Children 2.795 (2.358, 3.313) 2.669 (2.093, 3.404) *
Three Children 1.978 (1.666, 2.348) 1.844 (1.478, 2.302) *
Four Children 1.793 (1.501, 2.141) 1.681 (1.362, 2.076) *
Five Children 1.318 (1.088, 1.598) 1.331 (1.073,1.650) *
Six and above Children 1  
Fertility preference of the women Have another 1 1
Undecided .604 (.469, 778) .813 (.614, 1.077)
No more 1.123 (1.010, 1.248) 1.603 (1.391, 1.849) *
Others .386 (.235, 634) .118 (.039,.353) *
Fertility preference of the Husband Have another 1 1
Undecided .957 (.710, 1.289) 1.229 (.870, 1.736)
No more 1.084 (.972, 1.209) 1.233 (1.070, 1.420) *
Sterilized .342 (.176, 666) .231 (.088,.603) *
Declared infecund .299 (.163, 547) .430 (.220, 841) *
Who decides on health care Respondent alone 1.021 (.863,1.208) .900 (.745, 1.087)
Respondent and husband/partner 1  
Husband/partner alone .647 (.564,.742) 847 (.729,.985) *
Other 5.988 (2.019, 17.765) 15.235 (4.456, 52.085)*
  1. *Significant p ≤ 0.05
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