Table 2.
Mean number of chronic conditions and prevalence of multimorbidity (%) for overall (n=5493), young-old (n=4884) and old-old (n=609) adults by BMI, WC and WHR categories
| Total | Young-old | Old-old | ||||
| Mean no of chronic conditions (95% CI) | Prevalence of multimorbidity (n, %) | Mean no of chronic conditions (95% CI) | Prevalence of multimorbidity (n, %) | Mean no of chronic conditions (95% CI) | Prevalence of multimorbidity (n, %) | |
| BMI | ||||||
| Underweight | 0.97 (0.83 to 1.10) | 52 (25.5) | 0.95 (0.80 to 1.09) | 40 (24.2) | 1.05 (0.75 to 1.36) | 12 (30.8) |
| Normal | 1.08 (1.05 to 1.12) | 854 (30.3) | 1.10 (1.06 to 1.14) | 756 (31.0) | 1.01 (0.88 to 1.14) | 98 (25.8) |
| Overweight | 1.30 (1.25 to 1.34) | 829 (40.2) | 1.32 (1.27 to 1.37) | 780 (40.9) | 1.39 (1.02 to 1.75) | 49 (30.8) |
| Obesity | 1.55 (1.45 to 1.65) | 199 (49.3) | 1.57 (1.46 to 1.67) | 186 (49.9) | 0.99 (0.89 to 1.08) | 13 (41.9) |
| P value* | <0.001 | <0.001 | 0.200 | |||
| WC | ||||||
| Normal | 0.95 (0.92 to 0.98) | 673 (34.8) | 0.96 (0.93 to 1.00) | 607 (34.4) | 0.83 (0.74 to 0.92) | 66 (38.4) |
| Central obesity | 1.15 (1.12 to 1.18) | 1261 (65.2) | 1.16 (1.13 to 1.19) | 1155 (65.6) | 1.06 (0.97 to 1.15) | 106 (61.6) |
| P value* | <0.001 | <0.001 | 0.001 | |||
| WHR | ||||||
| Normal | 1.01 (0.94 to 1.08) | 234 (27.4) | 1.04 (0.97 to 1.11) | 218 (28.6) | 0.74 (0.57 to 0.92) | 16 (17.2) |
| Central obesity | 1.23 (1.20 to 1.26) | 1700 (36.7) | 1.25 (1.21 to 1.28) | 1544 (37.5) | 1.07 (0.99 to 1.15) | 156 (30.2) |
| P value* | <0.001 | <0.001 | 0.010 | |||
Young-old means aged 65–79, old-old means aged 80 or over.
*χ2.
BMI, body mass index; WC, waist circumference; WHR, waist-to-hip ratio.