Table 1 The components and criteria of the combined lifestyle index in Hong Kong Chinese women (October 2019–December 2020)

Smoking

 Never smoker

1

 Current or former smoker

0

Physical activity

 Moderate physical activity ≥150 min/week or vigorous physical activity ≥75 min/week

1

 Moderate physical activity < 150 min/week and vigorous physical activity < 75 min/week

0

Sleep

 Pittsburgh Sleep Quality Index ≤5

1

 Pittsburgh Sleep Quality Index > 5

0

Stress

 Perceived Stress Scale-14 < 25

1

 Perceived Stress Scale-14 ≥ 25

0

Fatigue

 <the median of an 11-degree self-perceived fatigue scale

1

 ≥the median of an 11-degree self-perceived fatigue scale

0

Diet

 ≥the median of a healthy diet index

1

 <the median of a healthy diet index

0

Body mass index

 ≥18.5 and < 23 kg/m²

1

 <18.5 or ≥ 23 kg/m²

0

Alcohol

 Never drinker

1

 Current or former drinker

0