Table 2.
Study sample characteristics by sex and age, mean (SD) or percentages (number of total number measured (n/N)). The Tromsø Study 2001-2002
| Women | Men | p-value1 | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Variable | All | Age-group | Age-group | All | Age-group | Age-group | All | Age-group | Age-group |
| 65-74 years | ≥ 75 years | 65-74 years | ≥ 75 years | 65-74 years | ≥ 75 years | ||||
| (N = 1321) | (N = 863) | (N = 458) | (N = 1120) | (N = 774) | (N = 346) | ||||
| Mean age, years | 72.3 (4.8) | 69.4 (2.9) | 77.7 (2.2) | 71.8 (4.8) | 69.1 (2.9) | 77.8 (2.2) | 0.013 | 0.076 | 0.880 |
| Fallsa, n (%) | 33 (442/1321) | 32 (276/863) | 36 (166/458) | 32 (361/1120) | 31 (242/774) | 34 (119/346) | 0.520 | 0.756 | 0.587 |
| Anemiab, n (%) | 6 (85/1312) | 6 (47/863) | 8 (38/458) | 9 (103/1120) | 6 (48/774) | 16 (55/346) | 0.011 | 0.514 | 0.001 |
| Hemoglobin, g/dl | 13.4 (1.0) | 13.5 (0.9) | 13.4 (1.0) | 14.5 (1.1) | 14.5 (1.1) | 14.1 (1.2) | – | – | – |
| Multimorbidityc, n (%) | 4 (34/932) | 3 (18/659) | 6 (16/273) | 4 (40/893) | 3 (18/629) | 8 (22/264) | 0.368 | 0.887 | 0.264 |
| Disabilityd, n (%) | 31 (220/701) | 26 (85/334) | 37 (135/367) | 20 (119/583) | 13 (39/301) | 28 (80/282) | < 0.001 | < 0.0001 | 0.024 |
| Frailtye, n (%) | 47 (141/302) | 33 (10/30) | 48 (131/272) | 31 (91/290) | 17 (6/35) | 33 (85/255) | < 0.001 | 0.131 | 0.001 |
| Hypertensionf (%) | 68 (892/1321) | 64 (552/863) | 74 (340/458) | 63 (700/1119) | 59 (454/774) | 71 (246/345) | 0.010 | 0.028 | 0.354 |
| Use of antihypertensives, n (%) | 31 (339/1277) | 29 (246/839) | 35 (153/438) | 31 (342/1086) | 30 (221/749) | 36 (121/337) | 0.898 | 0.935 | 0.779 |
| Use of ≥ 5 drugsg, n (%) | 15 (157/1044) | 14 (95/663) | 16 (62/381) | 17 (136/797) | 16 (85/533) | 19 (51/264) | 0.239 | 0.436 | 0.317 |
| Low physical activity, n (%) | 11 (116/1103) | 8 (61/742) | 15 (55/361) | 6 (64/1044) | 5 (37/729) | 9 (27/315) | < 0.001 | 0.016 | 0.008 |
| Body mass index, kg/m2 | 27.0 (4.5) | 26.9 (4.6) | 27.0 (4.4) | 26.4 (3.5) | 26.5 (3.5) | 26.1 (3.7) | < 0.001 | 0.048 | 0.001 |
1P-value for sex 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 ≥ 2 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