Table 3.
Ratios of number of women reporting abortions, miscarriages, and births in ACASI and FTF modes by survey round: 2002, 2006–2010, and 2011–2015 National Survey of Family Growth
| Abortions | Miscarriages | Births | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Ratio | 95% CI | Expanded Ratio | Ratio | 95% CI | Expanded Ratio | Ratio | 95% CI | Expanded Ratio | |
| Survey Period | |||||||||
| 2002 | 1.14 | (1.12–1.16) | 1.14 | 1.12 | (1.11–1.14) | 1.12 | 1.00 | (1.00–1.01) | 1.00 |
| 2006–2010 | 1.32a | (1.26–1.39) | 1.24a | 1.41a | (1.37–1.45) | 1.34a | 1.10a | (1.09–1.12) | 1.04a |
| 2011–2015 | 1.46a , b | (1.36–1.56) | 1.36a, b | 1.53a , b | (1.47–1.59) | 1.44a, b | 1.13a , b | (1.11–1.15) | 1.06a , b |
a
p < 0.05, reference category is 2002
b
p < 0.05, reference category is 2006–2010
Expanded reporting ratios compare pregnancies reported in the last five years in the ACASI to those reported up to six years prior in the FTF calendar data