Table 2.
Prevalence of oral contraceptive use in adolescents and young women living in Spain, according to socio-demographic variables and lifestyle. Spanish National Health Surveys 2006 and 2012
| Oral contraceptive use | |||
|---|---|---|---|
| SNHS 2006 % (95 % CI) | SNHS 2012 % (95 % CI) | ||
| Age*† | 15–22 | 9.71 (7.47–12.52) | 5.93 (4.33–8.07) |
| 23–30 | 17.37 (15.12–19.87) | 13.32 (10.91–16.17) | |
| Nationality | Immigrants | 14.63 (10.58–19.87) | 8.96 (5.21–14.96) |
| Spanish | 14.37 (12.60–16.35) | 10.52 (8.83–12.47) | |
| Marital status | Not married | 13.77 (11.90–15.89) | 9.87 (8.24–11.79) |
| Married | 16.61 (13.19–20.71) | 12.03 (7.52–18.71) | |
| Occupational status*† | Employed | 18.45 (15.84–21.37) | 13.28 (10.53–16.62) |
| Unemployed | 11.91 (8.37–16.67) | 9.22 (6.16–13.58) | |
| Inactive | 9.70 (7.53–12.42) | 8.08 (5.91–10.94) | |
| Educational level*† | Junior school | 11.00 (7.75–15.38) | 7.69 (5.55–10.57) |
| High school | 14.09 (12.00–16.47) | 10.83 (8.41–13.82) | |
| University and higher education | 18.16 (14.35–22.72) | 15.08 (10.93–20.44) | |
| Monthly income† | ≤ 1200 euros | 12.89 (10.09–16.34) | 7.75 (5.64–10.57) |
| > 1200 euros | 15.36 (13.32–17.66) | 11.34 (9.25–13.83) | |
| Social Class | High | 19.14 (13.82–25.67) | 11.40 (7.76–16.45) |
| Middle | 15.72 (12.29–18.77) | 11.70 (8.90–15.23) | |
| Low | 14.03 (11.11–17.45) | 8.87 (6.74–11.57) | |
| Smoking habit*† | Non smoker | 12.04 (10.21–14.15) | 8.98 (7.19–11.15) |
| Smoker | 19.11 (15.89–22.81) | 13.24 (10.15–17.11) | |
| Alcohol consumption* | No | 11.38 (8.86–14.49) | 9.90 (8.12–12.03) |
| Yes | 15.92 (13.82–18.28) | 11.37 (8.14–15.68) | |
| Physical activity | Moderate | 15.33 (13.08–17.89) | 11.10 (8.90–13.76) |
| inactive | 13.30 (10.92–16.11) | 9.87 (7.56–12.80) | |
| Body Mass Index Kg/sq.m | < 25 | 14.19 (12.28–16.35) | 11.31 (9.35–13.63) |
| 25–29 | 16.91 (12.72–22.14) | 6.52 (3.96–10.58) | |
| 30 or over | 16.30 (9.02–27.65) | 9.18 (4.15–19.11) | |
| Total consumption of OCs | 14.42 (12.75–16.27) | 10.21 (8.61–12.07) | |
*Statistically significant association of consumption in SNHS 2006 (p < 0.05)
†Statistically significant association of consumption in SNHS 2012 (p < 0.05)