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Table 2 Variables in the analysis of differences of weight between SR-weight and M-weight

From: Determinant factors of the difference between self-reported weight and measured weight among Japanese

Variable

Categories

Remarks

Demographic status

 Sex

Female/male

 

 Age

Years

 

 M-Body weight

kg

Based on measured values by body weight scales by reasearchers

 SR-Body weight

kg

Based on their self-reported values

 M-height

cm

Based on measurred values by stadiometer by reasearchers

 SR-height

cm

Based on their self-reported values

 M-BMI

kg/m2

Based on measured body weight values to calculate by M-weight and M-height by researchers. It was divided into four categorical (underweight/normal weight/overweight/obesity)

 SR-BMI

kg/m2

Based on their report, body weight and height values calculated by researchers. It was divided into four categorical (underweight/normal weight/overweight/obesity)

Self-rated weight status (Q4)

Much too thin, a little too thin, just right, a little too fat, or much too fat

“Do you consider yourself now much too thin, a little too thin, just right, a little too fat or much too fat?” [8]

Subjective chronic condition or symptoms (Q5)

Diabetes mellitus, HLDL-C, other, and non-complaints

Based on their self-report

Weight measurement frequency (Q6)

Every day, once/week, once/month, once/half year, once/year, or never do

Based on their self-report

Possessing a weight scale status (Q7)

Yes/no

 

Location for measuring body weight (Q8)

At home, at work place, at the hospital

“Where do you usually measure your body weight?”

Perceived health (Q9)

Excellent/good/fair/poor

“All in all, would you say your health is excellent, good, fair, or poor?” Responses were rated on 4-point scale from” “Excellent (4) to Poor (1)” [22, 23]

Health practices (Q10)

 

Based on Breslow’s seven health practices [1921]

 7–8 h sleep/day

Yes/no

 

 Maintaining proper weight

Yes/no

 

 Moderate or no use of alcohol

Yes/no

 

 Regular activity

Yes/no

 

 Not eating between meals

Yes/no

 

 Eating breakfast

Yes/no

 

 Never smoking cigarettes

Yes/no