Table 1.
Demographics by categories of bottle milk feeding
| Characteristics, n (%) | Overall (n = 649) | Non‐bottle milk feeding (n = 115) | Bottle plus cup milk feeding (n = 86) | Bottle milk feeding only (n = 448) | P a |
|---|---|---|---|---|---|
| Gender | |||||
| Male | 328 (50%) | 63 (54%) | 46 (53%) | 219 (48%) | 0.445 |
| Female | 321 (49%) | 52 (45%) | 40 (46%) | 229 (51%) | |
| Age group (months) | |||||
| 18 | 207 (32%) | 7 (6%) | 16 (19%) | 184 (41%) | <0.001 |
| 24 | 277 (43%) | 31 (27%) | 44 (51%) | 202 (45%) | |
| 48 | 165 (25%) | 77 (67%) | 26 (30%) | 62 (14%) | |
| Paternal age (years) | |||||
| Below 35 | 172 (26%) | 26 (22%) | 26 (30%) | 120 (26%) | 0.466 |
| 35 or above | 477 (73%) | 89 (77%) | 60 (69%) | 328 (73%) | |
| Maternal age (years) | |||||
| Below 35 | 283 (43%) | 38 (33%) | 45 (52%) | 200 (44%) | 0.018 |
| 35 or above | 366 (56%) | 77 (67%) | 41 (47%) | 248 (55%) | |
| Paternal education level | |||||
| Below Form 3 | 123 (19%) | 22 (19%) | 14 (16%) | 87 (19%) | 0.034 |
| Form 4‐7 | 266 (41%) | 42 (36%) | 26 (30%) | 198 (44%) | |
| Tertiary or above | 260 (40%) | 51 (44%) | 46 (53%) | 163 (36%) | |
| Maternal education level | |||||
| Below Form 3 | 107 (16%) | 18 (15%) | 9 (10%) | 80 (17%) | 0.008 |
| Form 4‐7 | 294 (45%) | 53 (46%) | 29 (33%) | 212 (47%) | |
| Tertiary or above | 248 (38%) | 44 (38%) | 48 (55%) | 156 (34%) | |
| Employment status of mother | 0.997 | ||||
| Full‐time or part‐time | 414 (63%) | 73 (63%) | 55 (64%) | 286 (63%) | |
| Unemployed | 235 (36%) | 42 (36%) | 31 (36%) | 162 (36%) | |
| Local born mother | |||||
| Yes | 458 (70%) | 83 (72%) | 58 (67%) | 317 (70%) | 0.758 |
| No | 191 (29%) | 32 (27%) | 28 (32%) | 131 (29%) | |
| Monthly family income (HK$) | |||||
| <$20 000 | 182 (28%) | 39 (33%) | 21 (25%) | 122 (27%) | 0.03 |
| $20 000–39 999 | 265 (40%) | 34 (29%) | 32 (38%) | 199 (44%) | |
| ≥$40 000 | 196 (30%) | 42 (36%) | 31 (36%) | 123 (27%) | |
| Living with maid | |||||
| Yes | 284 (43%) | 53 (46%) | 48 (55%) | 183 (40%) | 0.032 |
| No | 365 (56%) | 62 (53%) | 38 (44%) | 265 (59%) | |
| First time parents | |||||
| Yes | 372 (57%) | 64 (55%) | 55 (64%) | 253 (56%) | 0.354 |
| No | 274 (42%) | 51 (44%) | 30 (35%) | 193 (43%) |
a
Difference by the categories of bottle milk feeding was tested by Chi‐square test.