Table IV. Associations between falls from heights for all apprentices surveyed.

^*

All falls from heights population = 938, Ladder falls population^** = 871

Variables	All Falls Crude Odds Ratio (95% CI)	Ladder Falls Crude Odds Ratio (95% CI)
Length worked in trade versus ≤5 years
<1 year	3.11 (1.42, 6.80)	2.26 (0.69, 7.39)
2–5 years	2.80 (1.39, 5.66)	1.79 (0.63,5.14)
Percent apprentice, per 10% increase	1.12 (1.02, 1.23)	1.25 (1.08, 1.45)
Number of tasks performed	1.08 (1.00, 1.16)	1.25 (1.06, 1.48)
Safer crew behaviors score	0.92 (0.88, 0.97)	0.90 (0.83, 0.98)
Safer work climate score	0.92 (0.86, 0.97)	0.90 (1.06, 1.48)
Worked residential construction past yr.	2.10 (1.27, 3.48)	3.13 (1.13, 8.83)

^*Logistic regression

^**Excludes those who fell from a surface other than a ladder

Only variables/scales significant at p ≤ 0.05 are reported.