Table 2

Descriptions of categorical variables for log-linear model

Name of constructs
Symbols of categorical variable
Description: Levels '0' and '1'

1. Psychological Health
PS
'1' for better Psychological health
2. Physical Health
PH
'1' for better physical health
3. Social Support
SS
'1' for better social support
4. Family Function
FF
'1' for better family functioning
5. Stress Management
SM
'1' for better management ability
6. Self-Perception
SP
'1' for better Self-perception ability
7. Child Behavior
CB
'1' for more behaviour problems
8. Caregiving Demands
CD
'1' for less Caergiving demand
9. Gross Household Income
GI
'1' for Higher income

Zhu et al. BMC Medical Research Methodology 2006 6:49   doi:10.1186/1471-2288-6-49