Prospective Associations of the Short Form Health Survey Vitality Scale and Changes in Body Mass Index and Obesity Status

Table 3

Linear regression (standardized beta) of SF-36 vitality on BMI change among men and women. Full sample and separate for men and women gaining and maintaining/losing weight.

	Model 1^a		Model 2^b		Model 3^c		Model 4^d		Model 1^a		Model 2^b		Model 3^c		Model 4^d
	β	^1	β	^1	β	^1	β	^1	β	^1	β	^1	β	^1	β	^1
Full sample	Men ()								Women ()
SF-36 vitality		0.011		0.036		0.062		0.022		0.159		0.182		0.241		0.112
High	—		—		—		—		—		—		—		—
Medium	0.02		0.02		0.01		0.02		−0.08		−0.08		−0.07		−0.08
Low	0.07		0.06		0.05		0.06		0.01		0.0		0.01		0.02
Weight gain	Men ()								Women ()
SF-36 vitality		<0.001		<0.001		0.001		<0.001		<0.001		0.001		0.002		<0.001
High	—		—		—		—		—		—		—		—
Medium	0.03		0.02		0.02		0.03		−0.02		−0.03		−0.04		−0.03
Low	0.13		0.12		0.09		0.13		0.12		0.11		0.11		0.13
Weight loss	Men ()								Women ()
SF-36 vitality		0.139		0.143		0.294		0.114		0.523		0.613		0.661		0.523
High	—		—		—		—		—		—		—		—
Medium	−0.03		−0.03		−0.03		−0.03		0.00		0.00		0.03		0.03
Low	−0.08		−0.07		−0.06		−0.08		−0.03		−0.01		0.01		0.00

^aAdjusted for cohort, age, and baseline BMI. ^bAdjusted for cohort, age, baseline BMI, and education. ^cAdjusted for cohort, age, baseline BMI, physical activity, and smoking. ^dAdjusted for cohort, age, baseline BMI, and obesity-related diseases. ¹ value of the F-test. Significantly different from reference value at . Significantly different from reference value at .