Table 1 Descriptive information on individual characteristics in the pre-school child's mothers from 30 kindergarten schools in Hualien County, Taiwan (N = 919)
Characteristic | N | % | 95% CI |
|---|---|---|---|
Age (y) Mean ± SD | 33.3 ± 5.0 | (32.92, 33.60) | |
   20-30 | 280 | 30.5 | (27, 33) |
   31-40 | 568 | 61.8 | (60, 66) |
   ≥40 | 71 | 7.7 | (5, 9) |
Ethnicity | Â | Â | Â |
   Minna | 387 | 42.4 | (40, 47) |
   Hakka | 157 | 17.2 | (15, 20) |
   Aboriginal | 229 | 25.1 | (22, 27) |
   Other | 140 | 15.4 | (13, 18) |
Educational level | Â | Â | Â |
   Junior high school or below | 135 | 15.3 | (12, 17) |
   Senior high school | 340 | 38.5 | (35, 41) |
   College or above | 407 | 46.1 | (44, 51) |
Household monthly income (N.T.$) | Â | Â | Â |
   < 30,000 | 149 | 17.5 | (15, 20) |
   30,000 - 50,000 | 277 | 32.5 | (30, 36) |
   50,000 - 70,000 | 210 | 24.6 | (22, 27) |
   70,000 - 90,000 | 123 | 14.4 | (12, 17) |
   > 90,000 | 94 | 11.0 | (9, 13) |
Smoking status | Â | Â | Â |
   Non-smoker | 812 | 89.5 | (87, 92) |
   Current smoker | 95 | 10.5 | (8, 13) |
Smoking status of the spouse | Â | Â | Â |
   Non-smoker | 424 | 48.3 | (45, 52) |
   Current smoker | 454 | 51.7 | (48, 55) |
SHS exposure time (h/wk) Mean ± SD | 7.81 ± 18.24 | (6.59, 9.16) | |
   non | 248 | 30.3 | (27, 33) |
   1-2 hour | 254 | 31.0 | (28, 35) |
   ≥3 hours | 317 | 38.7 | (35, 42) |
SHS exposure location * | Â | Â | Â |
   Home | 308 | 33.5 | (29, 36) |
   Work | 301 | 32.5 | (31, 37) |
   Restaurant | 248 | 27.0 | (23, 29) |
   Bus station | 235 | 25.6 | (22, 28) |
   Other | 114 | 12.4 | (11, 15) |
Child's SHS exposure time (h/wk) Mean ± SD | 4.07 ± 12.32 | (3.20, 4.92) | |
   Non | 409 | 50.1 | (47, 54) |
   1-2 hour | 201 | 24.6 | (22, 28) |
   ≥3 hours | 206 | 25.2 | (22, 28) |
Child's household SHS exposure | Â | Â | Â |
   No | 409 | 50.1 | (47, 54) |
   yes | 407 | 49.8 | (46, 53) |