Relationship of fat mass index and fat free mass index with body mass index and association with sleeping patterns and physical activity in Saudi young adults women

Table 4 Unadjusted and adjusted linear regression models of FMI, FFMI and FM/FFM by sleep quality / sleeping hours and association with BMI (adjusted for age and BMI)

Predictor variable		Model type	R²	Standard Error	B-coefficient (95% CI)	P-value
	Sleep hours
FMI		Unadjusted	0.001	0.026	-0.031 (-0.070–0.031)	0.451
		Adjusted	0.004	0.113	0.068 (0.373–0.709)	0.570
FFMI		Unadjusted	0.002	0.057	-0.04 (-0.166–0.058)	0.342
		Adjusted	0.004	0.037	-0.005 (-0.267–0.176)	0.565
FM/FFM		Unadjusted	0.000	0.153	0.002 (-0.293–0.309)	0.959
		Adjusted	0.005	0.234	-0.062 (-0.687–0.234)	0.422
	Sleep quality
FMI		Unadjusted	0.001	0.037	0.027 (− 0.048–0.095)	0.523
		Adjusted	0.007	0.16	-0.281 (-0.564–0.006)	0.267
FFMI		Unadjusted	0.005	0.081	0.070 (-0.023–0.296)	0.093
		Adjusted	0.007	0.16	0.129 (-0.062–0.568)	0.258
FM/FFM		Unadjusted	0.000	0.219	-0.017 (-0.518–0.341)	0.686
		Adjusted	0.003	0.335	0.034 (-0.478–0.839)	0.608

FM: Fat Mass, FFM: Free Fat Mass, FMI: Fat Mass Index, FFMI: Free Fat Mass Index

ISSN: 2072-1315