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Table 4 Associations of housework participation with cancer and cardiovascular mortality

From: Longitudinal associations of housework with frailty and mortality in older adults: Singapore Longitudinal Ageing Study 2

 

Total a

Men b

Women b

Exposed

Deaths

   

Exposed

Deaths

   

Exposed

Deaths

   

Person-years

N

Per 100 person-years

HR (95%CI)

P value

Person-years

N

Per 100 person-years

HR (95%CI)

P value

Person-years

N

Per 100 person-years

HR (95%CI)

P value

Cancer mortality

  

 Light housework (cut-off ≥420 min/week)

  

  Low at BL & FU

6981

63

0.9

1 (Ref)

NA

4237

47

1.11

1 (Ref)

NA

2744

16

0.58

1 (Ref)

NA

  High at BL/FU only

11926

57

0.48

0.73 (0.48-1.13)

0.156

4219

28

0.66

0.69 (0.39-1.21)

0.184

7707

29

0.38

0.79 (0.39-1.58)

0.488

  High at BL & FU

9434

26

0.28

0.42 (0.16-1.12)

0.077

1654

9

0.54

0.42 (0.14-1.22)

0.103

7780

17

0.22

0.44 (0.14-1.37)

0.138

  Linear trend, p value

    

0.051

    

0.071

    

0.127

 Heavy housework (cut-off >0 min/week)

  

  Low at BL & FU

10575

75

0.71

1 (Ref)

NA

4295

47

1.09

1 (Ref)

NA

6280

28

0.45

1 (Ref)

NA

  High at BL/FU only

12761

58

0.45

0.79 (0.30-2.06)

0.563

4183

28

0.67

0.71 (0.26-1.92)

0.435

8578

30

0.35

0.88 (0.27-2.93)

0.803

  High at BL & FU

5246

12

0.23

0.65 (0.11-4.02)

0.563

1625

7

0.43

0.64 (0.10-3.99)

0.564

3620

5

0.14

0.66 (0.06-6.83)

0.648

  Linear trend, p value

    

0.532

    

0.447

    

0.683

Cardiovascular mortality

  

 Light housework (cut-off ≥420 min/week)

  

  Low at BL & FU

6992

73

1.04

1 (Ref)

NA

4263

54

1.27

1 (Ref)

NA

2729

19

0.7

1 (Ref)

NA

  High at BL/FU only

11898

55

0.46

0.68 (0.37-1.25)

0.191

4185

30

0.72

0.62 (0.33-1.18)

0.134

7714

25

0.32

0.84 (0.26-2.64)

0.725

  High at BL & FU

9450

27

0.29

0.46 (0.22-0.96)

0.041*

1662

8

0.48

0.55 (0.19-1.60)

0.244

7788

19

0.24

0.51 (0.17-1.55)

0.208

  Linear trend, p value

    

0.051

    

0.118

    

0.190

 Heavy housework (cut-off >0 min/week)

  

  Low at BL & FU

10622

81

0.76

1 (Ref)

NA

4334

51

1.18

1 (Ref)

NA

6288

30

0.48

1 (Ref)

NA

  High at BL/FU only

12680

59

0.47

0.82 (0.24-2.88)

0.694

4149

31

0.75

0.79 (0.14-4.45)

0.717

8531

28

0.33

0.91 (0.31-2.72)

0.844

  High at BL & FU

5280

17

0.32

0.50 (0.03-8.27)

0.517

1621

10

0.62

0.37 (0.01-13.70)

0.479

3659

7

0.19

0.66 (0.05-8.70)

0.676

  Linear trend, p value

    

0.535

    

0.510

    

0.711

  1. a Adjusted for age, sex, ethnicity, socioeconomic status (housing type), education, brisk walking and sports activities at baseline, nutritional risk, smoking, alcohol, marital status
  2. b Adjusted for age, ethnicity, socioeconomic status (housing type), education, brisk walking and sports activities at baseline, nutritional risk, smoking, alcohol, marital status
  3. BL Baseline, FU Follow-up, Ref Reference hazard ratio of 1.00, HR Hazard Ratio, CI Confidence Interval
  4. *Statistically significant at p<0.05