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Table 7 Magnitude of inequalities in contraceptive services use in the intervention areas (baseline and endline)

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

Characteristics   Coverage, (%)   Inequality assessment
Overall Q1 (Poorest) Q5 (Richest) SII (Q5: Q1, % points) RII (Q5:Q1) Concentration index (× 100)
Intervention areas
 Ever use 58.5 (56.6–60.4) 63.4 (60.1–66.8) 27.9 (19.7–36.1) − 23.3 (−32.4−−14.2) 0.4 (0.2–0.6) −1.6 (− 3.2−− 0.05)
 Current user 37.4 (35.4–39.4) 42.1 (38.2–45.9) 14.8 (9.6–20.0) −18.8 (− 25.5−− 12.2) 0.5 (0.3–0.7) −0.1 (− 2.6–2.4)
 Modern method user 35.9 (33.9–37.8) 40.4 (36.7–44.2) 14.3 (9.5–19.2) −17.5 (− 23.8−− 11.2) 0.3 (0.2–0.6) −0.04 (− 0.8–0.7)
 First time use(a) 68.8 (65.5–72.1) 73.7 (68.3–79.0) 78.1 (55.5–100.0) 4.4 (− 18.8–27.7) 1.2 (0.4–3.7) − 2.3 (−5.4–0.7)
 Awareness 82.6 (81.1–84.1) 88.3 (85.9–90.7) 54.2 (45.1–63.2) − 25.5 (− 33.1−− 18.0) 0.2 (0.1–0.4) −2.7 (− 3.8−− 1.6)
Control areas
 Ever use 36.1 (34.7–37.5) 39.3 (35.5–43.2) 35.6 (32.9–38.3) − 12.8 (− 17.5−−8.1) 0.5 (0.4–0.7) − 6.9 (−9.2−−4.6)
 Current user 22.3 (21.0–23.6) 26.9 (23.2–30.5) 21.6 (19.2–24.0) −9.3 (− 13.7−− 5.0) 0. 7 (0.6–0.8) −7.0 (− 10.4−− 3.5)
 Modern method user 17.7 (16.5–18.9) 22.7 (19.2–26.1) 17.2 (14.9–19.4) −7.4 (− 11.6−− 3.2) 0.6 (0.5–0.8) 0.7 (0.3–1.1)
 First time use(a) 76.2 (71.2–81.1) 67.6 (51.9–83.4) 82.6 (75.7–89.5) 15.0 (− 2.2–32.1) 2.3 (1.0–5.4) 5.3 (1.8–9.0)
 Awareness 70.0 (68.7–71.3) 77.2 (73.9–80.6) 66.9 (64.6–69.2) −22.1 (− 26.3−− 17.9) 0.2 (0.1–0.4) −6.2 (− 7.3−− 5.1)
  1. SII Slope index inequality, RII Relative index inequality; 95% CI, 95% Confidence interval, (a)First time contraceptive use; All equity analysis were adjusted for baseline and end line survey point