The incidence risk of type 2 diabetes mellitus in female nurses: a nationwide matched cohort study

BMC Public Health

Table 2 Bivariate analysis on the incidence of diabetes

Variables		Total		Without Diabetes		Diabetes		p -value
Variables		N	%	N	%	N	%	p -value
Total participants		111670	100.00	108422	97.09	3248	2.91
Nurses or non-nurses								<0.001
	Non-nurses	55835	50.00	54085	96.87	1750	3.13
	Nurses	55835	50.00	54337	97.32	1498	2.68
Age								<0.001
	<25	24912	22.31	24695	99.13	217	0.87
	25–34	47271	42.33	46626	98.64	645	1.36
	35–44	28221	25.27	27085	95.97	1136	4.03
	45–54	9550	8.55	8562	89.65	988	10.35
	55–64	1346	1.21	1149	85.36	197	14.64
	≧65	370	0.33	305	82.43	65	17.57
Average age (Mean, Std)		32.79	8.97	32.52	8.78	41.80	10.61
Monthly salary(NT$)								<0.001
	≦17280	9386	8.41	9087	96.81	299	3.19
	17281 ~ 22800	13952	12.49	13558	97.18	394	2.82
	22801 ~ 28800	19602	17.55	19117	97.53	485	2.47
	28801 ~ 36300	20061	17.96	19626	97.83	435	2.17
	36301 ~ 45800	27366	24.51	26466	96.71	900	3.29
	45801 ~ 57800	16136	14.45	15660	97.05	476	2.95
	≧57801	5167	4.63	4908	94.99	259	5.01
Urbanization of residence								0.662
	Level 1	42449	38.01	41210	97.08	1239	2.92
	Level 2 & 3	52585	47.09	51079	97.14	1506	2.86
	Level 4 & 5	12212	10.94	11849	97.03	363	2.97
	Level 6 & 7	4424	3.96	4284	96.84	140	3.16
Other catastrophic illnesses								<0.001
	No	109183	97.77	106068	97.15	3115	2.85
	Yes	2487	2.23	2354	94.65	133	5.35
CCI								<0.001
	0	15926	14.26	15894	99.80	32	0.20
	1 ~ 3	44302	39.67	43328	97.80	974	2.20
	4 ~ 6	31181	27.92	30138	96.66	1043	3.34
	7 ~ 9	14076	12.60	13342	94.79	734	5.21
	≧10	6185	5.54	5720	92.48	465	7.52
Average CCI (Mean, Std)		3.75	3.16	3.69	3.13	5.71	3.48

CCI, Charlson Comorbidity Index; HR, hazard ratio; CI, confidence interval
It’s 30 New Taiwan Dollar (NT$) per US dollar
Urbanization level of residence area (overall 7 levels; Level 1 was the most urbanized)
p -value was considered significant at p < 0.05

ISSN: 1471-2458