Table 2.

Weight Change Among Never Smokers During Various Age Intervals, National Institutes of Health-AARP Diet and Health Study, 1996–2009

Category of Weight Change, kg/year	Age Interval, years
	18–35		35–50		50–69		50–69 (by Health Status)
	No. of Subjects	%	No. of Subjects	%	No. of Subjects	%	Very Good to Excellent, %	Good, %	Poor to Fair, %
Loss of >0.2	4,438	4.0	7,127	6.5	13,558	12.3	11.9	13.0	16.9
Stable (±0.2)	21,779	19.8	34,235	31.1	38,303	34.8	37.1	29.9	24.5
Gain of >0.2–0.6	44,257	40.3	34,280	31.2	28,899	26.3	26.7	25.2	20.0
Gain of >0.6–1	18,427	16.8	18,711	17.0	11,842	10.8	10.4	11.9	11.7
Gain of >1	10,453	9.5	8,918	8.1	11,507	10.5	9.4	14.1	18.6
Missing data	10,593	9.6	6,676	6.1	5,838	5.3	4.5	5.8	8.3