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Table 1 Descriptive information on individual characteristics in the pre-school child's mothers from 30 kindergarten schools in Hualien County, Taiwan (N = 919)

From: Second-hand smoke exposure and the factors associated with avoidance behavior among the mothers of pre-school children: a school-based cross-sectional study

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    
   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    
   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.$)    
   < 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    
   Non-smoker 812 89.5 (87, 92)
   Current smoker 95 10.5 (8, 13)
Smoking status of the spouse    
   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 *    
   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    
   No 409 50.1 (47, 54)
   yes 407 49.8 (46, 53)
  1. Variation in the total sample size across the various characteristics is missing.
  2. *The percentages do not total 100 due to having been rounding off.