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Table 4 Estimated difference-in-differences (DID) for treatment-on-the-treated (TOT), results from two-stage least squares IV regressions with girl-level fixed-effects

From: The impact of the Adolescent Girls Empowerment Program (AGEP) on short and long term social, economic, education and fertility outcomes: a cluster randomized controlled trial in Zambia

 

Round 3

Round 5

DID coef

95% CI

DID coef

95% CI

Social assets

 Self-efficacy score [0–10]

0.290

−0.470

1.051

0.892*

0.076

1.708

 Had a safe space in community to meet with friends

0.236*

0.049

0.423

0.033

−0.138

0.204

 Positive gender attitudes score [0–7]

− 0.028

−0.561

0.504

0.008

−0.651

0.666

 Non-acceptability of IPV

−0.019

−0.190

0.152

0.020

−0.167

0.207

Economic assets

 Financial literacy score [0–9]

0.701*

0.032

1.369

0.601

−0.153

1.354

 Saved money in the past year

0.193**

0.055

0.331

0.191**

0.058

0.325

Health assets

 Fertile period and contraceptive methods knowledge score [0–11]

0.831**

0.275

1.388

0.770*

0.163

1.377

 HIV knowledge score [0–11]

0.309

−0.746

1.364

0.309

− 0.762

1.379

Sexual behavior among girls ages 15 and older who had ever had sex

 Used condom at first sexa

0.187

−0.170

0.544

0.032

−0.171

0.235

 Agreed to having had transactional sex

−0.524*

−1.032

−0.016

− 0.515*

−0.967

− 0.063

Education outcomes

 Completed grade 7

−0.012

−0.118

0.094

0.050

−0.067

0.166

 Completed grade 9

−0.005

−0.108

0.098

−0.042

− 0.178

0.094

Fertility outcomes among girls ages 15 and older

 Ever married

0.041

−0.166

0.249

0.083

−0.200

0.366

 Ever had sex

0.161

−0.034

0.355

0.246*

0.036

0.455

 Ever pregnant

−0.042

− 0.274

0.190

0.115

− 0.128

0.357

 Ever given birth

0.024

−0.207

0.256

0.098

−0.140

0.337

  1. All models adjust for age. Robust standard errors adjusted for clusters at the CSA level
  2. *** p < 0.001, ** p < 0.01, * p < 0.05, † p < 0.1
  3. a Estimated as simple differences at each round between intervention and control arms excluding girls who had ever had sex at baseline and adjusting for age and study site