Table 2.
Baseline characteristics
| Variable | All participants, overall (n=1302) |
Non-missing observations, overall (%) | Participated in follow-up (n=907) |
Did not participate in follow (n=395) |
Reference for Swedish 65-year-old men |
| Self-reported data | |||||
| Married | 863 (71%) | 1210 (93) | 621 (73%) | 242 (66%) | 61% |
| Smoking status | 1302 (100) | ||||
| Current smoker | 168 (13%) | 91 (10%) | 77 (19%) | 13% | |
| Former smoker | 707 (54%) | 514 (57%) | 193 (49%) | 36% | |
| Never smoker | 427 (33%) | 302 (33%) | 125 (32%) | 51% | |
| Pack-years of smoking | 15.1±19.2 | 1276 (98) | 13.7±17.4 | 18.4±22.6 | |
| University/college or professional school education | 520 (42%) | 1218 (93) | 381 (44%) | 139 (38%) | 25% |
| Hypertension | 725 (56%) | 1294 (99) | 507 (56%) | 218 (55%) | |
| Diabetes | 132 (10%) | 1295 (99) | 79 (9%) | 53 (13%) | |
| Asthma | 71 (5%) | 1285 (99) | 47 (5%) | 24 (6%) | 9%* |
| COPD | 29 (2%) | 1205 (92) | 13 (1%) | 16 (4%) | |
| Measured data by staff | |||||
| Height | 179±6.3 | 1285 (99) | 179±6.1 | 179±7 | 178 |
| Body mass index (kg/m2) | 28.2±4.1 | 1275 (98) | 28.1±4.0 | 28.5±4.4 | 26* |
| Underweight, BMI <18.5 | 1 (0.1%) | 1 (0.1%) | 0 (0%) | 0.6%* | |
| Normal weight, BMI 18.5–24.9 | 260 (20%) | 184 (21%) | 76 (20%) | 39%* | |
| Overweight, BMI 25–29.9 | 661 (52%) | 470 (53%) | 191 (50%) | 46%* | |
| Obesity, BMI >=30 | 352 (28%) | 234 (26%) | 118 (31%) | 14%* | |
| FEV1, % of predicted | 87.2±15.1 | 1278 (98) | 88.5±14.7 | 84.3±15.8 | |
| FVC, % of predicted | 85.4±13.1 | 1278 (98) | 86.3±13.0 | 83.4±13.1 | |
| FEV1/FVC < 0.7 | 242 (19%) | 1295 (99) | 157 (17%) | 85 (22%) | 18.2%† |
Data are presented as mean±SD or frequency (rounded percentage). Normative values were collected from the publicly available databases of The Public Health Agency of Sweden (www.folkhalsomyndigheten.se), and Statistics Sweden (www.scb.se). The following variables are collected but not included in the table. Self-reported: exercise habits, alcohol consumption, tiredness, blood pressure medication, myocardial infarction, stroke, tia, angina pectoris, apnoea, snoring, osteoporosis, fractures, back pain, femur, radius, glaucoma, cataract, intermittent claudication. Measured by staff: blood pressure, pulse, weight, waist, swab measure, number of teeth, aortic diameter. Blood sample: Hb, HbA1C (% and later mmol), P-cystatin C, p-glucose, PT-GFR (CC estimate), S-CA, S-Na, S-K, S-creatinine, S-total cholesterol, ApoA1, ApoB.
*Reference based on available self-reported data for men 65 years or older.
†Reference based on available data for men 40 years or older.22
BMI, body mass index; COPD, chronic obstructive pulmonary disease; FEV1, forced expiratory volume in one second; FVC, forced vital capacity.