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. 2023 Jun 27;9:e44486. doi: 10.2196/44486

Table 2.

Demographic characteristics and family health levels for participants aged ≥60 years by frailty status.


All (N=3758) Robust (n=2327) Prefrail (n=1342) Frail (n=89) P value
Age (years), mean (SD) 68.81 (6.26) 68.28 (6.03) 69.37 (6.40) 74.33 (6.92) <.001
Sex, n (%) .51

Male 1866 (49.65) 1173 (50.41) 650 (48.44) 43 (48.31)

Female 1892 (50.35) 1154 (49.59) 692 (51.56) 46 (51.69)
Family typea, n (%) <.001

Core family 336 (8.94) 190 (8.17) 139 (10.36) 7 (7.86)

Backbone family 1876 (49.92) 1228 (52.77) 612 (45.6) 36 (40.45)

Joint family 237 (6.31) 138 (5.93) 92 (6.86) 7 (7.86)

Conjugal family 897 (23.87) 587 (25.23) 286 (21.31) 24 (26.97)

Single-parent family 143 (3.81) 67 (2.88) 70 (5.22) 6 (6.74)

Other 269 (7.16) 117 (5.03) 143 (10.66) 9 (10.11)
Residence, n (%) <.001

Urban 2110 (56.15) 1408 (60.51) 664 (49.48) 38 (42.69)

Rural 1648 (43.85) 919 (39.49) 678 (50.52) 51 (57.3)
Marital status, n (%) <.001

Married 3200 (85.15) 2034 (87.41) 1102 (82.12) 64 (71.91)

Divorced, widowed, or unmarried 558 (14.85) 293 (12.59) 240 (17.88) 25 (28.09)
Number of children, n (%) <.001

0 277 (7.37) 96 (4.13) 175 (13.04) 6 (6.74)

1 1212 (32.25) 780 (33.52) 420 (31.3) 12 (13.48)

2 1232 (32.78) 804 (34.55) 402 (29.96) 26 (29.21)

≥3 1037 (27.59) 647 (27.8) 345 (25.71) 45 (50.56)
Public insurance coverage, n (%) <.001

No 297 (7.9) 113 (4.86) 180 (13.41) 4 (4.49)

Yes 3461 (92.1) 2214 (95.14) 1162 (86.59) 85 (95.51)
BMI (kg/m2), mean (SD) 21.91 (3.61) 22.10 (3.57) 21.62 (3.67) 21.38 (3.52) <.001
Self-rated health, mean (SD) 70.08 (18.35) 73.92 (16.99) 64.41 (18.42) 55.10 (21.60) <.001
Health literacy, mean (SD) 25.04 (5.29) 26.05 (4.96) 23.47 (5.37) 22.09 (5.41) <.001
Physical exercise (minutes per week), n (%) <.001

<150 557 (14.82) 275 (11.82) 246 (18.33) 36 (40.45)

≥150 3201 (85.18) 2052 (88.18) 1096 (81.67) 53 (59.55)
Alcohol intake, n (%) .18

No 3237 (86.14) 2019 (86.76) 1144 (85.25) 74 (83.15)

Yes 521 (13.86) 308 (13.24) 198 (14.75) 15 (16.85)
Smoking status, n (%) <.001

No 3125 (83.16) 2019 (86.76) 1040 (77.5) 66 (74.16)

Yes 633 (16.84) 308 (13.24) 302 (22.5) 23 (25.84)
Sleep duration per night (hours), n (%) <.001

<5 255 (6.79) 88 (3.78) 152 (11.33) 15 (16.85)

5-6 801 (21.31) 389 (16.72) 391 (29.14) 21 (23.6)

6-7 1271 (33.82) 794 (34.12) 453 (33.76) 24 (26.97)

>7 1431 (38.08) 1056 (45.38) 346 (25.78) 29 (32.58)
Have breakfast every day, n (%) <.001

No 939 (24.99) 381 (16.37) 529 (39.42) 29 (32.58)

Yes 2819 (75.01) 1946 (83.63) 813 (60.58) 60 (67.41)
Family health, mean (SD) 37.86 (6.44) 39.45 (6.05) 35.18 (6.25) 36.63 (5.53) <.001

a“Core family” refers to a family consisting of parents and unmarried children; “Conjugal family” refers to a family consisting of parents and married children; “Backbone family” refers to a family consisting of only husband and wife; “Joint family” means a family of parents or more married children or siblings after marriage; “Single-parent family” means a family consisting of divorced, widowed, or unmarried single fathers or mothers and their children or adopted children; and “Other” consists of the following: “Intergenerational family,” referring to a family with only 2 generations, and the parents left the family for some reasons; “Dink family,” referring to a voluntary infertile family consisting of 2 couples; “Single family,” referring to not being married at the age of marriage or not married after divorce but living alone; and reformed families, cohabitation families, and gay families.