Table 1

Usual use of contraceptive methods among women aged 16–44 years who ever reported vaginal intercourse: Natsal-2 and Natsal-3

Denominator (unweighted, weighted)*Natsal-2: usual useNatsal-3: usual use
5178, 46515237, 3657
n% (95% CI)n% (95% CI)
Most effective methods1141, 107721.5 (20.4 to 22.8)944, 76221.1 (19.7 to 22.6)
 Intrauterine device265. 2214.4 (3.9 to 5.0)230. 1875.2 (4.4 to 6.1)
 Hormonal intrauterine system (Mirena)44, 350.7 (0.5 to 1.0)105, 962.6 (2.1 to 3.3)
 Implant15, 140.3 (0.2 to 0.5)348, 1945.4 (4.8 to 6.0)
 Male sterilisation445, 4468.9 (8.1 to 9.8)162, 1774.9 (4.1 to 5.8)
 Female sterilisation382, 3707.4 (6.6 to 8.3)106, 1143.2 (2.6 to 3.9)
Effective methods†1940, 174734.9 (33.5 to 36.4)1953, 119433.1 (31.6 to 34.6)
 Pill1769, 159932.0 (30.6 to 33.4)1741, 106429.5 (28.1 to 30.9)
 Injections171, 1483.0 (2.5 to 3.5)210, 1283.6 (3.0 to 4.1)
Less effective methods†1641, 141728.3 (27.0 to 29.7)1356, 94026.1 (24.6 to 27.5)
 Male condom1360, 118423.7 (22.4 to 25.0)1229, 83323.1 (21.7 to 24.5)
 Cap/diaphragm†45, 310.6 (0.4 to 0.9)
 Natural family planning (rhythm)104, 851.7 (1.3 to 2.1)37, 351.0 (0.7 to 1.4)
 Withdrawal173, 1503.0 (2.6 to 3.5)92, 752.1 (1.6 to 2.6)
No method used1030, 82616.5 (15.5 to 17.6)1173, 85323.6 (22.3 to 25.0)
 No vaginal sex in last year463, 3096.0 (5.4 to 6.7)408, 2717.4 (6.6 to 8.3)
  • *Denominator is Natsal population aged 16–44 years, excluding those who have never had vaginal intercourse.

  • †Numbers too small for patch (effective), cap/diaphragm in Natsal-3 (less effective), female condom (less effective), spermicides (less effective)