Characteristics
|
Baseline N (%)
|
Latent classes (N = 14,202)
|
x
2
|
---|
| |
Overall highest (n = 100)
|
Overall lowest (n = 13,332)
|
Short-term (n = 374)
|
Early high then fluctuating (n = 110)
|
Low then increasing (n = 286)
| |
---|
Self-rated health
| | | | | | |
x 2
(12) = 31.7***
|
Fair/poor
|
1,716 (12.0%)
|
18.0%
|
11.8%
|
16.5%
|
20.4%
|
14.8%
| |
Good
|
5,208 (36.5%)
|
33.0%
|
36.9%
|
33.8%
|
30.6%
|
38.5%
| |
Very good
|
5,469 (38.4%)
|
41.0%
|
38.7%
|
40.0%
|
40.7%
|
31.4%
| |
Excellent
|
1,773 (12.4%)
|
8.0%
|
12.6%
|
9.7%
|
8.3%
|
15.2%
| |
Physical activity (S2)
a
| | | | | | |
x 2
(12) = 17.9
|
Nil/sedentary
|
943 (6.6%)
|
18.2%
|
9.9%
|
8.9%
|
10.8%
|
12.8%
| |
Low
|
3,297 (23.1%)
|
38.9%
|
34.9%
|
34.5%
|
33.7%
|
36.7%
| |
Moderate
|
2,201 (15.4%)
|
11.7%
|
23.5%
|
21.5%
|
21.7%
|
25.2%
| |
High
|
2,995 (21.0%)
|
31.2%
|
31.7%
|
35.1%
|
33.7%
|
25.2%
| |
Body mass index
b
| | | | | | |
x 2
(12) = 25.2*
|
Underweight
|
1,245 (8.7%)
|
13.9%
|
10.3%
|
7.8%
|
7.4%
|
6.3%
| |
Healthy weight
|
8,361 (58.7%)
|
59.3%
|
68.4%
|
65.8%
|
65.3%
|
67.7%
| |
Overweight
|
1,875 (13.2%)
|
12.8%
|
15.2%
|
18.0%
|
18.9%
|
18.5%
| |
Obese
|
772 (5.4%)
|
13.9%
|
6.1%
|
8.4%
|
8.4%
|
7.6%
| |
Cigarette smoking
| | | | | | |
x 2
(8) = 11.8
|
Current smoker
|
4,421 (31.0%)
|
40.0%
|
32.1%
|
36.2%
|
34.0%
|
36.2%
| |
Ex-smoker
|
2,085 (14.6%)
|
15.6%
|
15.2%
|
14.6%
|
18.0%
|
18.3%
| |
Never smoker
|
7,123 (49.9%)
|
44.4%
|
52.6%
|
49.2%
|
48.0%
|
45.5%
| |
Alcohol consumption
c
| | | | | | |
x 2
(12) = 23.2*
|
Non-drinker
|
1,254 (8.8%)
|
9.3%
|
8.9%
|
10.2%
|
7.3%
|
8.8%
| |
Rarely drinks
|
4,855 (34.1%)
|
40.2%
|
34.0%
|
41.2%
|
38.2%
|
42.3%
| |
Low risk drinker
|
7,197 (50.5%)
|
45.4%
|
51.6%
|
43.1%
|
47.2%
|
43.3%
| |
Risky drinker
|
782 (5.5%)
|
5.1%
|
5.5%
|
5.4%
|
7.3%
|
5.6%
| |
- †from latent class analysis; *P ≤ 0.05; ***P ≤ 0.001 (all 2-sided); aphysical activity scores derived from self-reported frequency and intensity of leisure-time physical activity and categorized as sedentary <40 MET/minutes per week, low = 40-600 MET/minutes per week, moderate = 600-1,200 MET/minutes per week, high >1,200 MET/minutes per week; bBody Mass Index (BMI) = weight in kilograms/height in metres2 and categorised as underweight = BMI < 18.5, healthy weight = BMI ≥ 18.5 - <25, overweight = BMI ≥ 25 - < 30 and obese = BMI ≥ 30; crarely = drinks less than 1/week, low-risk ≤14 drinks/week, risky ≥15 drinks/week; S2 = asked at survey 2; All variables had ≤1% missing data except for physical activity (33.8%) which was asked at survey 2, body mass index (13.9%) and cigarette smoking (4.3%).