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 = 0.008** | P = 0.917 | P = 1.000 | P = 1.000 | P = 0.835 | P = 0.167 | |||||||
Male | 122 (43.3%) | 97 (79.5%) | 25 (20.5%) | 61 (50.0%) | 61 (50.0%) | 61 (50.0%) | 61 (50.0%) | 61 (50.0%) | 61 (50.0%) | 61 (50.0%) | 61 (50.0%) | 88 (72.1%) | 34 (27.9%) |
Female | 160 (56.7%) | 145 (90.6%) | 15 (9.4%) | 81 (50.6%) | 79 (49.4%) | 80 (50.0%) | 80 (50.0%) | 80 (50.0%) | 80 (50.0%) | 82 (51.3%) | 78 (48.8%) | 103 (64.4%) | 57 (35.6%) |
Parental employment status | P = 0.042* | P = 0.848 | P = 0.592 | P = 0.443 | P = 0.123 | P = 0.087 | |||||||
Both employed | 117 (61.3%) | 95 (81.2%) | 22 (18.8%) | 60 (51.3%) | 57 (48.7%) | 60 (51.3%) | 57 (48.7%) | 62 (53.0%) | 55 (47.0%) | 53 (45.3%) | 64 (54.7%) | 85 (72.6%) | 32 (27.4%) |
At least one unemployed | 74 (38.7%) | 68 (91.9%) | 6 (8.1%) | 39 (52.7%) | 35 (47.3%) | 35 (47.3%) | 39 (52.7%) | 35 (47.3%) | 39 (52.7%) | 42 (56.8%) | 32 (43.2%) | 45 (60.8%) | 29 (39.2) |
Family income | P = 0.774 | P = 0.910 | P = 0.911 | P = 0.931 | P = 0.447 | P = 0.056 | |||||||
Less than HK$ 10,000 | 23 (12.3%) | 20 (87.0%) | 3 (13.0%) | 13 (56.5%) | 10 (43.5%) | 11 (47.8%) | 12 (52.2%) | 12 (52.2%) | 11 (47.8%) | 12 (52.2%) | 11 (47.8%) | 16 (69.6%) | 7 (30.4%) |
HK$10,001-HK$30,000 | 99 (53.0%) | 83 (83.8%) | 16 (16.2%) | 51 (51.5%) | 48 (48.5%) | 49 (49.5%) | 50 (50.5%) | 49 (49.5%) | 50 (50.5%) | 45 (45.5%) | 54 (54.5%) | 74 (74.7%) | 25 (25.3%) |
More than HK$ 30,000 | 65 (34.8%) | 57 (87.7%) | 8 (12.3%) | 34 (52.3%) | 31 (47.7%) | 34 (52.3%) | 31 (47.7%) | 34 (52.3%) | 31 (47.7%) | 36 (55.4%) | 29 (44.6%) | 37 (56.9%) | 28 (43.1%) |
Frequency of tooth brushing | P = 0.256 | P = 0.062 | P = 0.109 | P = 0.180 | P = 0.947 | P = 0.147 | |||||||
Less than twice a day | 84 (29.9%) | 69 (82.1%) | 15 (17.9%) | 35 (41.7%) | 49 (58.3%) | 36 (42.9%) | 48 (57.1%) | 37 (44.0%) | 47 (56.0%) | 43 (51.2%) | 41 (48.8%) | 62 (73.8%) | 22 (26.2%) |
At least twice a day | 197 (70.1%) | 172 (87.3%) | 25 (12.7%) | 106 (53.8%) | 91 (46.2%) | 105 (53.3%) | 92 (46.7%) | 104 (52.8%) | 93 (47.2%) | 100 (50.8%) | 97 (49.2%) | 128 (65.0%) | 69 (35.0%) |