Frequency Scores of Postures and Manual Handling for Nursing Assistants

		Nursing Assistants
	Index Inputs	Baseline	3 Months	12 Months	24 Months	36 Months
T2	Moderate flexion	.155	.141	.154	.129	.081
T3	Severe flexion	.069	.072	.048	.035	.071
T4	Lateral bent/twist–neutral	.069	.070	.041	.035	.017
T5	Lateral bent/twist–flexed	.045	.062	.027	.022	.023
A2	1 arm >60°	.190	.192	.137	.130	.083
A3	Both arms >60°	.133	.159	.113	.086	.060
L3	Shallow squat	.003	.004	.004	.005	.002
L4	Kneeling (one or both)	.002	.003	.001	.001	.003
L5	Walking	.237	.290	.234	.256	.287
L6	Deep squat	.010	.007	.007	.006	.009
L7	Lunge	.001	.002	.004	.003	.001
Wu 1	<4.55 kg (upright)	.633	.624	.703	.752	.770
Wu 2	4.55–22.68 kg (upright)	.025	.028	.025	.025	.035
Wu 3	>22.68 kg (upright)	.002	.001	.001	.001	.003
Wi 1	<4.55 kg (inclined)	.216	.202	.194	.160	.157
Wi 2	4.55–22.68 kg (inclined)	.042	.057	.031	.025	.016
Wi 3	>22.68 kg (inclined)	.010	.016	.003	.002	.001