Table 2.
Onset of Disabling Foot Pain at 3 Years in 2,258 Persons Who Did Not Have Disabling Foot Pain at Baseline: Stratified by the Presence (n = 319) or Absence (n = 1,939) of Nondisabling Foot Pain at Baseline
| Onset of Disabling Foot Pain at 3 y, Frequencies (%) |
|||
| Overall (n = 2,258) | No Foot Pain at Baseline (n = 1,939) | Nondisabling Foot Pain at Baseline (n = 319) | |
| Overall | 184 (8.1) | 119 (6.1) | 65 (20.4) |
| Gender | |||
| Females | 109 (9.4) | 69 (7.1) | 40 (21.5) |
| Males | 75 (6.8) | 50 (5.2) | 25 (18.8) |
| Difference (95% confidence interval) | 2.5% (0.3%–4.8%) | 1.9% (−0.3%–4.0%) | 2.7% (−6.5%–11.3%) |
| Age group at baseline | |||
| Overall | |||
| 50–59 y | 65 (6.7) | 39 (4.7) | 26 (17.7) |
| 60–69 y | 68 (9.1) | 47 (7.5) | 21 (17.6) |
| 70+ y | 51 (9.5) | 33 (6.8) | 18 (34.0) |
| χ2 (df) | 4.34 (1) | 3.11 (1) | 4.44 (1) |
| p | .037 | .078 | .035 |
| Females | |||
| 50–59 y | 43 (8.3) | 28 (6.5) | 15 (17.0) |
| 60–69 y | 34 (9.1) | 21 (6.9) | 13 (18.8) |
| 70+ y | 32 (11.7) | 20 (8.2) | 12 (41.4) |
| χ2 (df) | 2.22 (1) | 0.60 (1) | 5.63 (1) |
| p | .137 | .439 | .018 |
| Males | |||
| 50–59 y | 22 (4.8) | 11 (2.8) | 11 (18.6) |
| 60–69 y | 34 (9.1) | 26 (8.0) | 8 (16.0) |
| 70+ y | 19 (7.2) | 13 (5.4) | 6 (25.0) |
| χ2 (df) | 2.37 (1) | 3.44 (1) | 0.22 (1) |
| p | .124 | .064 | .639 |