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Table 3 Difference in difference analysis for ever use, current contraceptive use by type and method

From: Are family planning vouchers effective in increasing use, improving equity and reaching the underserved? An evaluation of a voucher program in Pakistan

  Control Intervention Absolute difference (% change)+ Net effect (% change)^
Baseline (%) Endline (%) Baseline (%) Endline (%) Control Intervention  
Ever user 25 58 35 79 33 44 11***
Current user 1 18 32 21 51 14 30 16***
Modern Method 2 16 22 19 50 6 32 26***
Pill 2 1 2 3 -1 1 2
IUD a 2 4 2 20 2 18 16***
Injections 2 2 3 4 0 1 1
Implants   0   2 0 2 2
Condom 7 9 7 13 2 6 4*
Female sterilization 3 6 5 8 3 3 0
Traditional Method 3 2 10 1 1 8 0 −8****
Periodic Abstinence 2 1 0 0 −1 0 1
Withdrawal 0 3 1 0 3 −1 −4***
LAM b 0 6 0 1 6 1 −5***
  1. P-value: ***p < 0.01; **p < 0.05; *p < 0.1
  2. +Absolute difference is the percentage change from baseline to endline
  3. ^Net effect is the percentage change in intervention group subtracting the percentage change in control group
  4. aIntra uterine device bLactational amenorrhea method
  5. 1 Percentage totals % for 2 + 3