Estimated 8-year cumulative incidence of diabetes mellitus among Sami and non-Sami inhabitants of Northern Norway - The SAMINOR Study

Table 3 Univariable and multivariable odds ratios (OR) with 95% confidence interval (95% CI) for incident cases of diabetes mellitus (DM) for various possible risk factors for DM. SAMINOR 1 (2003–2004) and SAMINOR 2 (2012–2014), N = 3303

Models	OR (95% CI)	p-value
Sami ethnicity	1.01 (0.75–1.34)	0.96
age	1.03 (1.01–1.05)	< 0.01
sex (female)	0.83 (0.62–1.01)	0.19
BMI^a	1.18 (1.15–1.22)	< 0.01
WC^b	1.07 (1.06–1.08)	< 0.01
WHtR^c	1.12 (1.10–1.15)	< 0.01
education (year)	0.92 (0.88–0.96)	< 0.01
inactivity^d	1.32 (0.94–1.86)	0.10
alcohol^e	0.73 (0.51–1.04)	0.08
smoking^f	0.98 (0.71–1.33)	0.89
mental distress^g	0.69 (0.39–1.37)	0.29
family history of DM^h	2.77 (2.07–3.73)	< 0.01
ethnicity+age + sex+ WHtR+education	Sami: 0.81 (0.59–1.11)	0.20
	age: 1.01 (0.99–1.02)	0.46
	sex (female): 0.71 (0.52–0.97)	0.03
	WHtR: 1.13 (1.10–1.15)	< 0.01
	education: 0.96 (0.92–1.01)	0.12

^aBMI: body mass index (kg/m²)
^bWC: waist circumference (cm)
^cWHtR: waist-to-height ratio. In order to help understanding, this variable is multiplied by 100
^dLeisure-time physical activity includes reading, watching TV or other sedentary activities
^eDrinking alcohol at least once a week vs drinking alcohol less often
^fCurrent smokers vs ex-smokers and never-smokers
^gSCL-10 score > 1.85
^hThose who had at least one with DM among father, mother, siblings or children

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