|
Covariate
|
Variable type
|
Grouping/measurement
|
Label
|
Correlation with
|
|---|
|
Waist circumference wave 1
|
Continuous
|
Centimetres
|
WC1
|
1.00
|
|
Waist circumference wave 2
|
Continuous
|
Centimetres
|
WC2
|
0.81
|
|
Age
|
Continuous
|
Years
|
Age
|
0.18
|
|
Sex
|
Categorical
|
0 = Males
|
-
|
-0.52
|
| | |
1 = Females
|
Female
|
-
|
|
Education
|
Categorical
|
0 = None or primary school
|
-
|
-0.18
|
| | |
1 = Secondary or trade school
|
Education secondary
|
-
|
| | |
2 = Tertiary education
|
Education tertiary
|
-
|
|
Country of birth
|
Categorical
|
0 = Australia/New Zealand
|
-
|
0.19
|
| | |
1 = United Kingdom
|
COB UK
|
-
|
| | |
2 = Mediterranean
|
COB Mediterranean
|
-
|
|
Smoking status
|
Categorical
|
0 = Never smoked
|
-
|
0.17
|
| | |
1 = Former smoker
|
Smoke former
|
-
|
| | |
2 = Current smoker
|
Smoke current
| |
|
Physical activity score
|
Categorical
|
0 = 0
|
-
|
-0.13
|
| | |
1 = (0 to 4)
|
Physical low
|
-
|
| | |
2 = [4 to 6)
|
Physical moderate
|
-
|
| | |
3 = 6+
|
Physical high
|
-
|
|
Alcohol consumption
|
Categorical
|
0 grams (Male & Female)
|
-
|
0.05
|
| | |
1-39 grams (Male) /
|
Alcohol low
|
-
|
| | |
1-19 grams (Female)
| | |
| | |
40-59 grams (Male) /
|
Alcohol moderate
|
-
|
| | |
20-39 grams (Female)
| | |
| | |
60+ grams (Male) /
|
Alcohol high
|
-
|
| | |
40+ grams (Female)
| | |
- *Correlation with waist circumference at wave 1 was obtained from the observed data of the Melbourne Collaborative Cohort Study participants who attended both waves (i.e. 26,846 participants).
- Notwithstanding the limitations of correlations for categorical variables.
