Table 3 Incidence rates of pregnancies per person-years in women aged 15–19 years in the NN-HDSS cycles as reported by 20–24-years-old women. The rates were calculated for the 3 years preceding the survey
Year | Pregnancies (15–19-years) | Mean age at pregnancy (years of age) | Person-years | Crude incidence × 1000 person-years |
|---|---|---|---|---|
Baseline (end 2003/2004) | ||||
2001 | 43 | 18.7 | 572.4 | 75.1 |
2002 | 27 | 19.2 | 503.6 | 53.6 |
2003 | 17 | 19.6 | 440.4 | 38.5 |
First cycle (2007) | ||||
2004 | 45 | 18.2 | 728.0 | 61.8 |
2005 | 23 | 19.0 | 657.2 | 34.9 |
2006 | 14 | 19.4 | 603.4 | 23.2 |
Second cycle (2009) | ||||
2006 | 14 | 18.6 | 799.6 | 17.5 |
2007 | 21 | 18.7 | 770.0 | 27.2 |
2008 | 14 | 19.4 | 729.6 | 19.1 |
Third cycle (2014) | ||||
2011 | 68 | 18.4 | 923.3 | 73.6 |
2012 | 56 | 19.0 | 817.9 | 68.4 |
2013 | 19 | 19.3 | 716.3 | 26.5 |