Table 4.
Association between hemoglobin or anemia and fall, by sex and age, OR (CI). The Tromsø Study 2001-02
| Unadjusted model | Model 1b | Model 2c | Model 3d | |
|---|---|---|---|---|
| Hemoglobin level (continuous, per SD decrease) | ||||
| Total sample | 1.03 (0.94-1.12) | 1.01 (0.92-1.11) | 1.03 (0.93-1.14) | 0.94 (0.81-1.09) |
| Age 65-74 | 1.04 (0.93-1.15) | 1.04 (0.92-1.17) | 1.09 (0.95-1.25) | 1.06 (0.85-1.32) |
| Age ≥ 75 | 0.98 (0.85-1.14) | 0.97 (0.83-1.13) | 0.94 (0.80-1.11) | 0.87 (0.71-1.05) |
| Women | 1.06 (0.93-1.22) | 1.06 (0.93-1.22) | 1.02 (0.88-1.19) | 0.85 (0.62-1.05) |
| Age 65-74 | 1.13 (0.94-1.35) | 1.09 (0.89-1.34) | 0.79 (0.55-1.11) | |
| Age ≥ 75 | 0.97 (0.79-1.20) | 0.94 (0.75-1.18) | 0.90 (0.69-1.17) | |
| Men | 0.98 (0.86-1.11) | 0.97 (0.85-1.10) | 1.03 (0.89-1.20) | 1.06 (0.87-1.30) |
| Age 65-74 | 0.97 (0.82-1.14) | 1.09 (0.90-1.31) | 1.40 (1.03-1.91) | |
| Age ≥ 75 | 0.97 (0.78-1.20) | 0.94 (0.74-1.21) | 0.84 (0.63-1.11) | |
| Anemiaa | ||||
| Total sample | 1.03 (0.75-1.41) | 1.02 (0.74-1.40) | 1.00 (0.70-1.44) | 0.83 (0.50-1.37) |
| Age 65-74 | 1.05 (0.67-1.63) | 1.05 (0.68-1.63) | 1.06 (0.64-1.77) | 1.15 (0.52-2.55) |
| Age ≥ 75 | 0.95 (0.60-1.50) | 0.96 (0.61-1.52) | 0.92 (0.55-1.56) | 0.69 (0.36-1.32) |
| Women | 1.15 (0.73-1.82) | 1.15 (0.73-1.82) | 1.05 (0.62-1.77) | 0.55 (0.23-1.29) |
| Age 65-74 | 1.10 (0.59-2.05) | 0.96 (0.46-2.00) | 0.44 (0.09-2.03) | |
| Age ≥ 75 | 1.16 (0.59-2.29) | 1.11 (0.52-2.36) | 0.64 (0.22-1.84) | |
| Men | 0.94 (0.61-1.46) | 0.90 (0.58-1.40) | 0.95 (0.57-1.58) | 1.08 (0.57-2.03) |
| Age 65-74 | 1.00 (0.53-1.88) | 1.17 (0.57-2.38) | 2.17 (0.76-6.22) | |
| Age ≥ 75 | 0.83 (0.45-1.54) | 0.78 (0.38-1.62) | 0.72 (0.32-1.65) | |
OR Odds Ratios, CI Confidence Intervals
aWHO criteria (<12 g/dl in women, <13 g/dl in men)
bModel 1: Adjusted for age (years, only for the total sample and in sex-stratified analyses) and sex (only in the total sample and in the age-stratified analyses)
cModel 2: In addition to Model 1 adjusted for number of drugs (self-reported)
dModel 3: In addition to Model 2 adjusted for disability (self-reported)