TABLE 4.
Independent t Test (Bonferroni) on 10 Dimensions for Male Truck Drivers: NIOSH Study (i) Versus Sanders Studies (j)
| NIOSH (i) |
Sanders (j) |
|||||
|---|---|---|---|---|---|---|
| Dimension | n | M (SD) | n | M (SD) | Mi – Mj | t |
| Stature (no shoes) | 1,779 | 1,757 (69.58) | 183b | 1,756 (62) | 1 | 0.48 |
| Sitting height | 1,779 | 919 (36.14) | 267a | 927 (35) | –8 | –7.51* |
| Buttock-knee length | 1,779 | 632 (35.04) | 183b | 636 (32) | –4 | –3.98* |
| Hand breadth | 1,779 | 90 (4.82) | 183b | 89 (5) | 1 | 6.08* |
| Hand length | 1,779 | 196 (10.10) | 183b | 189 (10) | 7 | 22.84* |
| Abdominal depth, sitting | 1,779 | 331 (66.03) | 183b | 299 (45) | 32 | 15.44* |
| Forearm-forearm breadth | 1,779 | 617 (66.17) | 183b | 502 (48) | 115 | 55.85* |
| Hip breadth, sitting | 1,779 | 428 (46.04) | 267a | 353 (35) | 75 | 53.39* |
| Waist circumference, natural indentation | 1,779 | 1089 (154.31) | 183b | 1,027 (124) | 62 | 12.76* |
| Weight (kg) | 1,779 | 102.6 (23.93) | 183b | 90.6 (17.11) | 12.0 | 16.07* |
Note. All values are in millimeters except for weight. NIOSH = National Institute for Occupational Safety and Health.
*
p < .05/10 = .005, two-tailed test; equivalently t0.05(10, >120) = ±3.29.