BMC Public Health

Table 4 Linear mixed models for the cohort group regressing Effort Reward Imbalance on Workplace Health Promotion^e exposures

From: Does workplace health promotion contribute to job stress reduction? Three-year findings from Partnering Healthy@Work

	Men (n = 161)							Women (n = 423)
	2010			2013				2010			2013
Outcome measure	ß^a	95 % CI		ß	95 % CI		p ^b	β	95 % CI		β	95 % CI		p ^b
ERI (mean)	0.379	0.353	0.404	0.422	0.389	0.457	<0.001	0.376	0.342	0.411	0.369	0.330	0.408	0.496
Reward	49.47	47.98	50.96	46.42	46.42	48.58	0.012	45.62	40.27	50.96	45.93	40.61	51.26	0.237
Self-esteem	22.54	21.98	23.07	21.73	20.99	22.48	0.010	20.78	17.90	23.67	20.80	18.06	23.53	0.961
Job security	9.26	8.05	10.48	7.12	6.16	8.07	<0.001	7.67	6.21	9.13	7.61	5.98	9.24	0.851
Career promotion	17.50	16.69	16.69	16.26	15.15	17.37	0.004	16.47	15.34	15.34	16.81	15.95	17.68	0.012
Effort	10.42	9.74	11.11	11.18	10.47	11.90	0.020	0.020	9.46	11.00	10.09	9.21	10.96	0.577
Exposure	β^c	95 % CI		β	95 % CI		p	β	95 % CI		β	95 % CI		p
WHP Availability
ERI	−0.006	−0.012	−0.001	−0.008	−0.014	−0.001	0.012	0.001	−0.001	0.003	−0.004	−0.007	−0.001	0.002^d
Reward	0.338	−0.235	0.911	0.301	−0.201	0.802	0.251	0.124	0.006	0.242	0.118	0.004	0.239	0.072
Self-esteem	0.041	−0.339	0.421	0.038	−0.318	0.395	0.395	0.102	0.024	0.180	0.128	0.050	0.206	0.022
Job security	0.055	−0.042	0.151	0.131	−0.006	0.278	0.091^d	−0.044	−0.092	0.006	−0.033	−0.081	0.014	0.065
Career promotion	0.104	−0.043	0.252	0.091	−0.033	0.215	0.173	0.023	−0.086	0.132	0.024	−0.092	0.140	0.684
WHP Participation
Effort	−0.037	−0.064	−0.011	−0.036	−0.062	−0.011	0.003	0.014	−0.016	0.043	0.015	−0.016	0.046	0.117

^aEstimated scale score excluding exposure after back-transformation and controlling for confounders
^b p-value of linear mixed models regressing the outcome measure on survey year. Models were adjusted for age
^cValues represent the results from linear mixed models including exposure variable. Beta values have been back-transformed to estimate the coefficient on the original scale
^dRepresents interaction term present in model
^eThe results are based on a composite measure that includes all forms of workplace health promotion [WHP] (i.e., policy, amenities, injury support, health risk assessment, physical activities, health education, stress/mental health)

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ISSN: 1471-2458

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