Table 1.
Study sample characteristics by age, mean (SD) or percentages (number of total number measured (n/N). The Tromsø Study 2001-2002
| All | p-value1 | |||
|---|---|---|---|---|
| Variable | Age-group | Age-group | ||
| 65-74 years | ≥ 75 years | |||
| (N = 2441) | (N = 1637) | (N = 804) | ||
| Mean age, years | 72.0 (4.8) | 69.2 (2.9) | 77.6 (2.2) | – |
| Fallsa, n (%) | 33 (803/2441) | 32 (518/1637) | 36 (285/804) | 0.060 |
| Anemiab, n (%) | 8 (188/2441) | 6 (95/1687) | 12 (93/804) | < 0.0001 |
| Hemoglobin, g/dl | 13.9 (1.1) | 13.9 (1.1) | 13.7 (1.2) | < 0.0001 |
| Multimorbidityc, n (%) | 4 (74/1825) | 3 (36/1288) | 7 (38/537) | < 0.0001 |
| Disabilityd, n (%) | 26 (339/1284) | 20 (124/635) | 33 (215/649) | < 0.0001 |
| Frailtye, n (%) | 39 (232/592) | 25 (16/65) | 41 (216/527) | 0.011 |
| Hypertensionf (%) | 65 (1592/2440) | 62 (1006/1637) | 73 (586/803) | < 0.0001 |
| Use of antihypertensives, n (%) | 31 (741/2363) | 29 (467/1588) | 35 (274/775) | 0.003 |
| Use of ≥ 5 drugsg, n (%) | 16 (293/1841) | 15 (180/1196) | 18 (113/645) | 0.167 |
| Low physical activity, n (%) | 8 (180/2147) | 7 (98/1471) | 12 (82/676) | < 0.0001 |
| Body mass index, kg/m2 | 26.7 (4.1) | 26.7 (4.1) | 26.6 (4.2) | 0.567 |
1P-value for age difference (two-sided t-test for comparisons of means for continuous variables and Chi-square test for categorical variables)
aSelf-reported fall last year
bWHO criteria (< 12 g/dl in women, < 13 g/dl in men)
cSelf-reported ≥ 3 of the following diseases: asthma/emphysema/chronic bronchitis, cancer (ever), diabetes, stroke, coronary heart disease, peptic ulcer
dSelf-reported functional status
eModified Fried’s criteria
fBlood pressure > 140/90 mmHg
gSelf-reported drugs used on a regular basis