Table 1.
Use of EC in past year among sexually active women aged 16–44 years by demographic characteristics: 1999–2001 and 2010–2012
| 1999–2001 | 2010–2012 | Age‐adjusted OR | 95% CI | P | |||||
|---|---|---|---|---|---|---|---|---|---|
| Denominators (unweighted, weighted) | Percentage | (95% CI) | Denominators (unweighted, weighted) | Percentage | (95% CI) | ||||
| Total | 5430, 4859 | 2.30 | (1.9–2.8) | 4825, 3375 | 3.60 | (3.0–4.3) | 1.54 | (1.17–2.02) | 0.0019 |
| Age group | |||||||||
| 16–24 years | 1110, 1158 | 5.20 | (4.0–6.9) | 1604, 888 | 7.10 | (5.7–8.9) | 1.39 | (0.95–2.03) | 0.0887 |
| 25–29 years | 1064, 870 | 2.40 | (1.7–3.6) | 1257, 624 | 5.10 | (3.7–7.1) | 2.16 | (1.29–3.61) | 0.0035 |
| 30–39 years | 2324, 1988 | 1.50 | (1.0–2.2) | 1460, 1204 | 1.60 | (1.1–2.3) | 1.08 | (0.62–1.88) | 0.7907 |
| 40–44 yearsa | 932, 843 | 0.10 | (0.0–0.5) | 504, 659 | 1.10 | (0.5–2.5) | 8.10 | (1.57–41.75) | 0.0124 |
| Ethnic origin | |||||||||
| White | 4897, 4501 | 2.20 | (1.8–2.7) | 4245, 2929 | 3.30 | (2.7–4.0) | 1.52 | (1.14–2.02) | 0.0040 |
| Asian/Asian British | 144, 127 | 6.50 | (2.6–15.1) | 230, 194 | 3.30 | (1.7–6.3) | 0.49 | (0.15–1.57) | 0.2311 |
| Black/Black British | 209, 109 | 2.80 | (0.8–9.0) | 148, 117 | 8.30 | (4.4–15.3) | 3.20 | (0.78–13.18) | 0.1057 |
| Otherb | 169, 112 | 2.30 | (0.8–6.6) | 157, 106 | 8.00 | (4.2–14.5) | 3.71 | (1.03–13.43) | 0.0445 |
| Relationship status | |||||||||
| Married/cohabiting | 3345, 3351 | 1.20 | (0.9–1.7) | 2381, 2060 | 1.10 | (0.8–1.6) | 0.98 | (0.59–1.62) | 0.9393 |
| Previously/never married | 2079, 1503 | 4.70 | (3.7–5.9) | 2433, 1308 | 7.50 | (6.2–9.1) | 1.64 | (1.19–2.26) | 0.0024 |
| Religiosity c | |||||||||
| No | 856, 795 | 2.00 | (1.2–3.6) | 527, 369 | 2.80 | (1.6–4.8) | 1.27 | (0.53–3.04) | 0.5943 |
| Yes | 1074, 892 | 1.90 | (1.2–3.2) | 892, 716 | 3.80 | (2.4–6.0) | 1.82 | (0.91–3.64) | 0.0913 |
| Academic qualifications d | |||||||||
| No academic qualifications | 829, 714 | 1.00 | (0.5–2.2) | 401, 259 | 1.80 | (0.8–3.7) | 1.54 | (0.52–4.53) | 0.4346 |
| Academic qualifications typically gained at age 16e | 2396, 2185 | 1.90 | (1.4–2.6) | 1626, 1141 | 2.30 | (1.7–3.1) | 1.29 | (0.82–2.02) | 0.2703 |
| Studying for/attained further academic qualifications | 2043, 1800 | 3.30 | (2.4–4.4) | 2545, 1810 | 4.80 | (3.9–6.0) | 1.51 | (1.04–2.20) | 0.0308 |
| Index of multiple deprivation f | |||||||||
| (least deprived) | 792, 741 | 1.80 | (1.0–3.2) | 797, 596 | 3.30 | (2.2–4.8) | 1.82 | (0.88–3.74) | 0.1045 |
| 2 | 817, 788 | 3.10 | (2.0–4.7) | 860, 642 | 3.30 | (2.3–4.9) | 0.98 | (0.53–1.82) | 0.9570 |
| 3 | 880, 856 | 2.90 | (1.8–4.7) | 948, 676 | 3.10 | (2.2–4.4) | 0.99 | (0.54–1.81) | 0.9683 |
| 4 | 1230, 1123 | 2.50 | (1.6–3.7) | 1071, 744 | 4.40 | (3.0–6.5) | 1.83 | (1.03–3.27) | 0.0399 |
| (most deprived) | 1711, 1351 | 1.70 | (1.1–2.6) | 1149, 718 | 3.70 | (2.7–5.2) | 2.26 | (1.29–3.96) | 0.0045 |
Significant age group/survey interaction, indicating that the change has been significantly different among those age 40–44 years relative to those aged 16–24 years.
Combines those reporting mixed, Chinese, or other ethnic origins because of the small number of participants reporting these ethnic origins.
Religiosity was derived from self‐reported importance of religion and religious beliefs now, and frequency of attendance at religious services or meetings. Religiosity was defined as reporting that religion was very important or fairly important, with attendance at religious services or meetings at least twice a year.
Participants aged ≥17 years.
English General Certificate of Secondary Education or equivalent.
Index of Multiple Deprivation (IMD) is a multi‐dimensional measure of area (neighbourhood)‐level deprivation based on the participant's postcode. IMD scores for England, Scotland, and Wales were adjusted before being combined and assigned to quintiles, using a method by Payne and Abel.