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Table 3 Mixed-effects Poisson regression models assessing the effect of the RMA intervention on current modern family planning use and experience of IPV within the past year, pooled intervention groups

From: Effects of the reaching married adolescents program on modern contraceptive use and intimate partner violence: results of a cluster randomized controlled trial among married adolescent girls and their husbands in Dosso, Niger

 

Current modern family planning use, non-pregnant women only

Experience of IPV within past 12 months

Minimally adjusted

Adjusted

Minimally adjusted

Adjusted

aIRR

95% CI

p-value

aIRR

95% CI

p-value

aIRR

95% CI

p-value

aIRR

95% CI

p-value

Treatment × time interaction

Intervention × follow-up

2.26

[1.32, 3.87]

0.003

2.33

[1.41, 3.87]

0.001

0.57

[0.29, 1.13]

0.11

0.57

[0.29, 1.13]

0.11

 Treatment status

  Control

Ref.

Ref.

Ref.

Ref.

Ref.

Ref.

Ref.

Ref.

Ref.

Ref.

Ref.

Ref.

  Intervention

0.63

[0.36, 1.12]

0.11

0.56

[0.33, 0.96]

0.03

1.39

[0.83, 2.31]

0.21

1.45

[0.86, 2.43]

0.16

 Time

  Baseline

Ref.

Ref.

Ref.

Ref.

Ref.

Ref.

Ref.

Ref.

Ref.

Ref.

Ref.

Ref.

  Follow-up

1.76

[1.18, 2.63]

0.01

1.71

[1.18, 2.50]

0.005

1.69

[0.97, 2.96]

0.06

1.69

[0.96, 2.95]

0.07

 District

  Loga

Ref.

Ref.

Ref.

Ref.

Ref.

Ref.

Ref.

Ref.

Ref.

Ref.

Ref.

Ref.

  Doutchi

1.12

[0.76, 1.65]

0.56

1.14

[0.80, 1.63]

0.47

1.47

[1.02, 2.11]

0.04

1.37

[0.90, 2.08]

0.14

  Dosso

0.89

[0.61, 1.29]

0.53

0.89

[0.63, 1.26]

0.52

1.81

[1.26, 2.61]

0.001

1.77

[1.23, 2.55]

0.002

Demographics

 Wife age (years)

   

0.98

[0.91, 1.05]

0.54

   

0.92

[0.84, 1.01]

0.07

 Wife age at marriage (years)

   

1.04

[0.99, 1.10]

0.13

   

1.06

[0.95, 1.17]

0.29

 Wife education

  Any modern

   

Ref.

Ref.

Ref.

   

Ref.

Ref.

Ref.

  Quranic only

   

0.81

[0.60, 1.09]

0.16

   

1.00

[0.63, 1.58]

0.99

  No schooling

   

0.81

[0.67, 0.98]

0.03

   

0.86

[0.63, 1.16]

0.32

 Husband education

  Any modern

   

Ref.

Ref.

Ref.

   

Ref.

Ref.

Ref.

  Quranic only

   

0.77

[0.61, 0.99]

0.04

   

1.03

[0.69, 1.53]

0.88

  No schooling

   

0.75

[0.60, 0.93]

0.01

   

0.96

[0.68, 1.36]

0.83

 Wife parity

  None

   

Ref.

Ref.

Ref.

   

Ref.

Ref.

Ref.

  1 birth

   

1.56

[1.27, 1.92]

< 0.001

   

0.89

[0.62, 1.28]

0.53

  2 or more births

   

2.60

[1.98, 3.40]

< 0.001

   

1.40

[0.94, 2.08]

0.10

 Husband monogamous or polygamous

  Monogamous

   

Ref.

Ref.

Ref.

   

Ref.

Ref.

Ref.

  Polygamous

   

1.15

[0.93, 1.41]

0.19

   

1.03

[0.74, 1.43]

0.88

 Husband spent > 3mos away from village last year

  No

   

Ref.

Ref.

Ref.

   

Ref.

Ref.

Ref.

  Yes

   

0.90

[0.75, 1.08]

0.24

   

1.08

[0.75, 1.55]

0.69

 Household assets

   

0.96

[0.90, 1.03]

0.29

   

0.90

[0.79, 1.02]

0.10

  1. All models include nested random effects of individual within village
  2. Village ICC for current contraceptive use: 0.0114. Village ICC for past year IPV: 0.087
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Reproductive Health

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