Model 1: Without interactions effects

Model 2: Interactions between year and significant variables in Model 1

Model 3: Interactions between year and all the variables

Variables

Adjusted effects (standard errors)

Adjusted effects (standard errors)

Adjusted effects (standard errors)

Year (ref 2010)

2015. Year

2.933*** (0.291)

4.141*** (1.250)

5.993*** (2.679)

Place of residence (ref = rural)

2. Urban

1.184 (0.153)

1.165 (0.235)

2015. Year#2. Urban

0.991 (0.258)

Education (ref = No formal education)

2. Primary

1.016 (0.126)

1.109 (0.175)

3. Secondary+

0.916 (0.123)

0.819 (0.159)

2015. year#2. Primary

0.835 (0.202)

2015. Year#3. Secondary+

1.215 (0.325)

Wealth (ref = poor)

2. Middle

0.881 (0.104)

0.902 (0.159)

3. Rich

0.855 (0.129)

1.177 (0.269)

2015. Year#2. Middle

0.956 (0.225)

2015. Year#3. Rich

0.580* (0.176)

Age (ref = 15 - 24 years)

2. age3

1.069 (0.134)

1.108 (0.214)

3. age3

1.179 (0.205)

0.988 (0.252)

2015. Year#2. 25 - 39

0.956 (0.245)

2015. Year#3. 40 - 49

1.432 (0.497)

Marital status (ref = married)

2. Non-married

0.573** (0.148)

0.675 (0.251)

0.605 (0.238)

2015. Year#2. Non-married

0.750 (0.377)

0.896 (0.468)

Parity (ref = 4/more children)

2. 1 - 3 children

0.941 (0.109)

0.894 (0.136)

0.838 (0.165)

3. 0 child

0.201*** (0.0791)

0.178*** (0.111)

0.178*** (0.118)

2015. Year#2. 1 - 3 children

1.061 (0.201)

1.231 (0.298)

2015. Year#3. 0 child

1.116 (0.888)

1.302 (1.094)

Religion (ref = Muslim)

2. Non-Muslim

1.126 (0.108)

1.381** (0.192)

2015. Year#2. Non-Muslim

0.692* (0.131)

Discussion with partner (ref = No)

2. Yes

0.872 (0.0736)

0.849 (0.106)

2015. Year#2. Yes

1.057 (0.178)

Partner approval of FP (ref = Yes)

2. No

0.828 (0.102)

1.072 (0.193)

2015. Year#2. No

0.632* (0.152)

Type of FP need (ref = for spacing)

2. Limiting

1.589*** (0.189)

1.924*** (0.300)

1.882*** (0.326)

2015. Year#2. Limiting

0.783 (0.170)

0.725 (0.171)

Level of method information (ref = Low)

2. Middle

1.873*** (0.265)

2.335*** (0.508)

2.429*** (0.535)

3. High

2.771*** (0.339)

3.239*** (0.700)

3.488*** (0.779)

2015. annee#2. Middle

0.673 (0.193)

1.611** (0.305)

2015. annee#3. High

0.735 (0.192)

2.406*** (0.368)

Sample size

4146

4146

4146

Goodness of fit: F statistic

0.78

0.44

1.42

Goodness of fit: p-value

0.639

0.915

0.174