Table 3.

Multivariable stepwise linear model analysis for the association with the professional identity among GP (N = 3236)^a

Variables (reference)	β	SE	t	P value
Region (Central China)
Eastern China	−1.18	0.29	−4.08	0.001
Western China	−0.67	0.30	−2.22	0.03
Management responsibility (No)
Yes	0.73	0.29	2.52	0.01
Income level (Moderate or below)
Moderate or higher	1.64	0.67	2.44	0.02
Working overtime (Never)
Frequent	1.12	0.25	4.53	< 0.0001
Occupational development opportunities (Fewer)
More	1.35	0.47	2.85	0.004
Age (per 10 years)	0.5	0.02	3.08	0.002
Job satisfaction	0.33	0.02	17.23	< 0.0001
Intercept	37.84	0.91	41.47	< 0.0001

R² = 0.1129, Adj R² = 0.1107; F = 51.35, P < 0.0001

^aAdjustment for sex (female and male), education level (associate’s degree or vocational diploma, bachelor degree, master degree or higher), marital status (unmarried or widowed or divorced, married), professional title (elementary or below, intermediate, senior), contract status (permanent, temporary), work stress (low, intermediate, high), work tenure (continuous), and other variables in the models