Table 2.
Response Rates and Distributions for 19 Possible Risk Factors in the Questionnaire Completed by Women Aged =70 Years in 2001 (N = 1,248)
| Characteristic | Response Rate No. (%) | Study Population No. or Mean Value* | %† |
| Continuous risk factors | |||
| Age, y | 1,248 (100.0) | 78.8 ± 6.5 | – |
| Weight, kg | 1,214 (97.2) | 67.3 ± 11.8 | – |
| Height, cm | 1,213 (97.1) | 161 ± 6.1 | – |
| Dairy calcium intake, mg/d | 1,208 (96.7) | 628 ± 292 | – |
| Predefined risk factors | |||
| Age, y | |||
| 70–74 | 1,248 (100.0) | 377 | 30.2 |
| 75–79 | 1,248 (100.0) | 382 | 30.6 |
| 80–84 | 1,248 (100.0) | 236 | 18.9 |
| 85–89 | 1,248 (100.0) | 156 | 12.5 |
| 90–100 | 1,248 (100.0) | 97 | 7.8 |
| Weight <60 kg | 1,214 (97.2) | 302 | 24.9 |
| Fragility fracture after age 40 y‡,§ | 1,205 (96.6) | 398 | 33.0 |
| Uses arms when rising 5 times from chair | 1,210 (97.0) | 362 | 29.9 |
| Fell during last 12 mo | 1,192 (95.4) | 397 | 33.3 |
| Other possible risk factors | |||
| Any type of fracture after age 40 y§ | 1,210 (97.0) | 486 | 40.2 |
| Use of cortisone medication for >3 mo | 1,158 (92.7) | 149 | 12.9 |
| Has never given birth | 1,238 (99.1) | 164 | 13.2 |
| Lives in residential care (vs community) | 1,231 (98.6) | 123 | 10.0 |
| Height >167 cm | 1,213 (97.1) | 183 | 15.1 |
| Dairy calcium intake <500 mg/d | 1,208 (96.7) | 377 | 31.2 |
| Impaired vision, self-reported (vs good vision) | 1,226 (98.2) | 356 | 29.0 |
| History of maternal hip fracture | 1,108 (88.7) | 123 | 11.1 |
| Subjective health poor (vs excellent or fair) | 1,224 (98.0) | 120 | 9.8 |
| Current smoking | 1,231 (98.6) | 53 | 4.3 |
| Daily coffee intake ≥ 2 cups (vs 0-1 cup) | 1,233 (98.7) | 1,040 | 84.3 |
| Menopausal age <45 y | 1,072 (85.8) | 128 | 11.9 |
| No daily medication|| | 1,229 (98.4) | 152 | 12.4 |
| Any parent of non-Nordic origin (vs Nordic)|| | 1,226 (98.2) | 23 | 1.9 |
* Mean value is given as arithmetic mean ± SD.
† Estimated percentage for participants with valid data for that measure.
‡ Previous fragility fracture in hip, lower arm, upper arm, or vertebrae after age 40 years.
§ Only the Vislanda population was asked the additional question about vertebral radiographs.
|| This subgroup expected to have lower fracture risk.