Table 1 Background characteristic by body mass index among older adults in nursing homes
Variables | Total | Proportion of BMI | X2; df | P-valueǂ | |||||
|---|---|---|---|---|---|---|---|---|---|
Frequency (N = 198,790) | Total % | Underweight (n = 21,109) 10.6% | Normal weight (n = 83,285) 41.9% | Overweight (n = 58,543) 29.4% | Obese (n = 32,490) 16.3% | Extremely obese (n = 3363) 1.7% | |||
Age, % | |||||||||
60–69 | 11,840 | 6.0 | 7.1 | 27.8 | 29.0 | 29.3 | 6.8 | 12,054.69; 12 | < 0.001 |
70–79 | 38,949 | 19.6 | 7.1 | 33.8 | 31.5 | 24.0 | 3.6 | ||
80–89 | 89,321 | 44.9 | 9.9 | 42.0 | 30.9 | 16.1 | 1.1 | ||
≥ 90 | 58,680 | 29.5 | 14.7 | 49.9 | 26.1 | 9.1 | 0.3 | ||
Gender, % | |||||||||
Men | 67,477 | 33.9 | 5.5 | 40.8 | 34.6 | 17.6 | 1.5 | 3606.98; 4 | < 0.001 |
Women | 131,313 | 66.1 | 13.3 | 42.2 | 26.8 | 15.7 | 1.8 | ||
Ethnicity, % | |||||||||
European | 179,874 | 90.5 | 10.8 | 42.4 | 29.4 | 15.9 | 1.5 | 3407.58; 16 | < 0.001 |
Māori | 8459 | 4.3 | 4.7 | 29.0 | 31.6 | 29.4 | 5.3 | ||
Asian | 5039 | 2.5 | 18.1 | 50.0 | 24.9 | 6.6 | 0.3 | ||
Pacific | 3369 | 1.7 | 5.3 | 34.0 | 32.2 | 24.5 | 4.0 | ||
Other | 2049 | 1.0 | 8.1 | 43.6 | 31.9 | 15.0 | 1.5 | ||
DHB region, % | |||||||||
Central | 39,111 | 19.7 | 11.0 | 41.1 | 29.5 | 16.5 | 1.9 | 547.37; 12 | < 0.001 |
Midland | 40,665 | 20.5 | 10.4 | 40.3 | 29.9 | 17.6 | 1.8 | ||
Northern | 59,208 | 29.8 | 11.8 | 44.0 | 28.3 | 14.3 | 1.6 | ||
South Island | 59,806 | 30.1 | 9.4 | 41.4 | 30.3 | 17.4 | 1.6 | ||