Table 6.

Results of binary logistic regression analysis of associated factors of wrist injury.

Variable	Category	Number		Injury OR (95% CI)
		No injury	With injury	Crude	Adjusted*
Gender	Female	17,544	2,717
	Male	32,404	4,836	1.07 (1.01, 1.12)	1.28 (1.18, 1.39)
Working age	≤5	30,693	4,739
	>5	19,255	2,714	0.99 (0.94, 1.04)	1.09 (1.03, 1.15)
Sporting	No	15,361	2,584
	Occasionally	26,249	3,926	0.94 (0.88, 0.99)	0.92 (0.87, 0.98)
	Frequently	8,338	1,043	0.83 (0.77, 0.90)	0.86 (0.80, 0.94)
Whether the wrist is often bent up/down at work	No	19,298	1,074
	Yes	30,650	6,479	2.01 (1.87, 2.17)	1.97 (1.82, 2.12)
Whether the wrist is often placed on the edge of a hard,	No	33,997	3,478
angular object	Yes	15,951	4,075	1.47 (1.40, 1.56)	1.54 (1.45, 1.62)
Do you need to pinch/grasp objects/tools with your hands	No	12,695	625
during work	Yes	37,289	6,928	1.86 (1.70, 2.04)	1.73 (1.58, 1.90)
Hand position at work	Shoulder or below shoulder level	41,295	6,090
	Above shoulder level	8,653	1,463	1.15 (1.08, 1.22)	1.16 (1.05, 1.19)
Whether the wrist needs to be bent for a long time	No	29,919	2,356
	Yes	20,029	5,197	1.93 (1.82, 2.04)	1.87 (1.76, 2.00)

^*Is the OR value after adjusting smoking, industry, occupation.