Table 4. Reasons for no intention of future pregnancy by parity.
| N (%)a | P for trendb | |||
| 2012 | 2013 | 2014 | ||
| Primipara | (n = 604) | (n = 661) | (n = 523) | |
| Do not want a future pregnancy | 214 (35.4) | 248 (37.5) | 181 (34.6) | 0.799 |
| Concerns about age and health condition | 195 (32.3) | 221 (33.4) | 148 (28.3) | 0.105 |
| Unstable income | 193 (32.0) | 189 (28.6) | 99 (18.9) | <0.001 |
| Busy with care of the first child | 179 (29.6) | 219 (33.1) | 105 (20.1) | <0.001 |
| Insufficient home support or services | 117 (19.4) | 127 (19.2) | 108 (20.7) | 0.583 |
| Concerns about the impact of radiation contamination | 91 (15.1) | 35 (5.3) | 40 (7.7) | <0.001 |
| Evacuation or living separately from family | 40 (6.6) | 31 (4.7) | 26 (5.0) | 0.183 |
| Other | 27 (4.5) | 27 (4.1) | 125 (23.9) | <0.001 |
| Multipara | (n = 2,547) | (n = 2,551) | (n = 2,301) | |
| Do not want a future pregnancy | 1,431 (56.2) | 1,483 (58.1) | 1,592 (69.2) | <0.001 |
| Concerns about age and health condition | 796 (31.3) | 922 (36.1) | 717 (31.2) | 0.953 |
| Unstable income | 615 (24.2) | 568 (22.3) | 403 (17.5) | <0.001 |
| Busy with care of older sibling(s) | 945 (37.1) | 954 (37.4) | 704 (30.6) | <0.001 |
| Insufficient home support or services | 336 (13.2) | 329 (12.9) | 287 (12.5) | 0.415 |
| Concerns about the impact of radiation contamination | 370 (14.5) | 143 (5.6) | 69 (3.0) | <0.001 |
| Evacuation or living separately from family | 89 (3.5) | 47 (1.8) | 33 (1.4) | <0.001 |
| Other | 50 (2.0) | 53 (2.1) | 75 (3.3) | 0.001 |
aReasons were asked only among those with no intention of future pregnancy. Denominators are the total number of respondents as indicated in the top row.
bNonparametric test for trend was used.