Research Article

Sedentary Behavior and Physical Activity Are Independent Predictors of Successful Aging in Middle-Aged and Older Adults

Table 1

Characteristics of the sample by age group and sex.

Older adultsMiddle-aged adults
Both sexesMales FemalesBoth sexesMales Females

𝑛 (unweighted sample size)9,4784,2455,23310,0604,6215,439
65–69 y45–49 y26.930.124.526.625.128.0
70–74 y50–54 y19.821.218.630.834.327.5
Age75–79 y55–59 y17.216.917.422.220.923.4
80–84 y60–64 y12.89.915.020.419.621.0
>80 y23.321.824.4

>$20,00024.113.732.28.3*7.1*9.5*
$20,000–39,00037.837.937.713.4*11.3*15.4*
Income$40,000–59,00018.321.315.917.215.5*18.9*
$60,000–79,0008.911.17.218.6*18.6*18.7*
>$80,00010.916.07.042.4*47.5*37.5*

Married/common law48.767.034.474.9*78.3*71.8*
Marital statusWidowed38.019.752.33.5*1.5*5.3*
Separated/divorced8.48.08.712.7*10.6*14.6*
Single/never married4.95.24.68.9*9.6*8.3*

Active33.336.430.939.3*42.7*36.2*
Physical activity levelsModerately active35.335.635.237.9*35.740.1*
Inactive31.328.033.922.7*21.6*23.8*

Least sedentary14.915.714.325.2*25.6*24.9*
Sedentary behaviourModerately sedentary33.834.433.334.033.234.7
Sedentary 51.349.952.440.8*41.2*40.4*

Overall SA56.858.055.856.958.155.6
Physical SA87.690.485.598.4*98.8*98.1*
Psychological SA85.384.985.786.689.2*84.1
Sociological SA70.570.870.263.2*63.3*63.2*

*significant differences between older and middle-aged adults within sex category.
𝑛 : sample size; SA: successful aging.
All data are weighted unless otherwise stated.
All data are a percent of the sample.