Variable | n (%) | BMI | WC | WHR | WHtR | TRSKF | CPI | ||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Underweight+ normal weight n (%) | Overweight + Obese n (%) | ≤median n (%) | >median n (%) | ≤median n (%) | >median n (%) | ≤median n (%) | >median n (%) | ≤median n (%)) | >median n (%) | ≤ 50% index teeth with CPI = 0 n (%) | > 50% index teeth with CPI = 0 n (%) | ||
Gender | P = 0.020* | P = 0.974 | P = 1.000 | P = 0.958 | P = 0.603 | P = 0.002** | |||||||
Male | 122 (43.3%) | 91 (74.6%) | 31 (25.4%) | 62 (50.8%) | 60 (49.2%) | 61 (50.0%) | 61 (50.0%) | 61 (50.0%) | 61 (50.0%) | 61 (50.0%) | 61 (50.0%) | 82 (67.2%) | 40 (32.8%) |
Female | 160 (56.7%) | 137 (85.6%) | 23 (14.4%) | 81 (50.6%) | 79 (49.4%) | 80 (50.0%) | 80 (50.0%) | 80 (50.3%) | 79 (49.7%) | 85 (53.1%) | 75 (46.9%) | 78 (48.8%) | 82 (51.3%) |
Parental employment status | P = 0.022* | P = 0.009** | P = 0.580 | P = 0.184 | P = 0.079 | P = 0.139 | |||||||
Both employed | 167 (62.5%) | 128 (76.6%) | 39 (23.4%) | 76 (45.5%) | 91 (54.5%) | 81 (48.5%) | 86 (51.5%) | 79 (47.6%) | 87 (52.4%) | 80 (47.9%) | 87 (52.1%) | 99 (59.3%) | 68 (40.7%) |
At least one unemployed | 100 (37.5%) | 88 (88.0%) | 12 (12.0%) | 62 (62.0%) | 38 (38.0%) | 52 (52.0%) | 48 (48.0%) | 56 (56.0%) | 44 (44.0%) | 59 (59.0%) | 41 (41.0%) | 50 (50.0%) | 50 (50.0%) |
Family income | P = 0.295 | P = 0.946 | P = 0.081 | P = 0.790 | P = 0.204 | P = 0.387 | |||||||
Less than HK$ 10,000 | 43 (16.2%) | 37 (86.0%) | 6 (14.0%) | 23 (53.5%) | 20 (46.5%) | 21 (48.8%) | 22 (51.2%) | 20 (46.5%) | 23 (53.5%) | 24 (55.8%) | 19 (44.2%) | 26 (60.5%) | 17 (39.5%) |
HK$10,001-HK$30,000 | 144 (54.1%) | 112 (77.8%) | 32 (22.2%) | 73 (50.7%) | 71 (49.3%) | 65 (45.1%) | 79 (54.9%) | 75 (52.4%) | 68 (47.6%) | 67 (46.5%) | 77 (53.5%) | 83 (57.6%) | 61 (42.4%) |
More than HK$ 30,000 | 79 (29.7%) | 67 (84.8%) | 12 (15.2%) | 41 (51.9%) | 38 (48.1%) | 48 (60.8%) | 31 (39.2%) | 40 (50.6%) | 39 (49.4%) | 46 (58.2%) | 33 (41.8%) | 39 (49.4%) | 40 (50.6%) |
Frequency of tooth brushing | P < 0.001*** | P = 0.010* | P = 0.015* | P = 0.001** | P = 0.087 | P = 0.020* | |||||||
Less than twice a day | 74 (26.2%) | 49 (66.2%) | 25 (33.8%) | 28 (37.8%) | 46 (62.2%) | 28 (37.8%) | 46 (62.2%) | 25 (33.8%) | 49 (66.2%) | 32 (43.2%) | 42 (56.8%) | 50 (67.6%) | 24 (32.4%) |
At least twice a day | 208 (73.8%) | 179 (86.1%) | 29 (13.9%) | 115 (55.3%) | 93 (44.7%) | 113 (54.3%) | 95 (45.7%) | 116 (56.0%) | 91 (44.0%) | 114 (54.8%) | 94 (45.2%) | 108 (51.9%) | 100 (48.1%) |