Table 3.

Stratified Cox proportional hazard model analysis on the risk of diabetes for the nurses and non-nurses

Variables		Non-nurses			Nurses			Adj. HR* (Nurse:GP)	95 % CI		p -value
		Total	Diabetes (N)	Diabetes (%)	Total	Diabetes (N)	Diabetes (%)
Total		55835	1750	3.13	55835	1498	2.68	0.84	0.79	0.90	<0.001
Age(y/o)
	<35	36084	434	2.23	36099	428	2.24	0.97	0.85	1.11	0.628
	35–44	14118	617	4.37	14103	519	3.68	0.82	0.73	0.92	<0.001
	45–54	4775	563	11.79	4775	425	8.90	0.75	0.66	0.85	<0.001
	55–64	673	104	15.45	673	93	13.82	0.85	0.64	1.13	0.260
	≧65	185	32	17.30	185	33	17.84	0.98	0.60	1.62	0.943
Monthly salary(NT$)
	≦17280	4693	176	3.75	4693	123	2.62	0.65	0.52	0.82	<0.001
	17281 ~ 22800	6976	211	3.02	6976	183	2.62	0.84	0.69	1.03	0.089
	22801 ~ 28800	9801	273	2.79	9801	212	2.16	0.77	0.64	0.92	0.004
	28801 ~ 36300	10023	218	2.17	10038	217	2.16	0.97	0.81	1.18	0.779
	36301 ~ 45800	13680	479	3.50	13686	421	3.08	0.86	0.76	0.99	0.030
	45801 ~ 57800	8068	251	3.11	8068	225	2.79	0.93	0.78	1.12	0.433
	≧57801	2594	142	5.47	2573	117	4.55	0.80	0.63	1.03	0.080
Urbanization of residence
	Level 1	22883	695	3.04	19566	544	2.78	0.86	0.76	0.96	0.006
	Level 2 & 3	25499	804	3.15	27086	702	2.59	0.84	0.76	0.93	<0.001
	Level 4 & 5	5544	181	3.26	6668	182	2.73	0.85	0.69	1.05	0.133
	Level 6 & 7	1909	70	3.67	2515	70	2.78	0.71	0.50	1.00	0.050
Other catastrophic illnesses
	No	54530	1680	3.08	54653	1435	2.63	0.84	0.78	0.90	<0.001
	Yes	1305	70	5.36	1182	63	5.33	0.93	0.66	1.31	0.667
CCI
	≦3	30433	552	2.70	29795	454	2.10	0.82	0.73	0.93	0.002
	4 ~ 6	15428	551	3.57	15753	492	3.12	0.87	0.77	0.98	0.026
	7 ~ 9	6912	389	5.63	7164	345	4.82	0.85	0.74	0.99	0.030
	≧10	3062	258	8.43	3123	207	6.63	0.80	0.66	0.96	0.015

*The stratified Cox proportional hazards models have controlled for age, monthly salary, urbanization of residence, other catastrophic illnesses, CCI

CCI, Charlson Comorbidity Index; HR, hazard ratio; CI, confidence interval

It’s 30 New Taiwan Dollar (NT$) per US dollar

p -value was considered significant at p < 0.05