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Table 2 Questions used to define eating behavior dichotomous variables 1

From: Genetic and environmental influences on eating behaviors in 2.5- and 9-year-old children: a longitudinal twin study

Variable

Age

Question

Yes

No

Does not eat enough

2.5; 9

In general, does your child eat enough?

Never; Rarely; Sometimes

Often

Eats too much

2.5; 9

In general, does your child over-eat?

Sometimes; Often

Never; Rarely

Eats too fast

2.5; 9

In general, does your child eat too fast?

Sometimes; Often

Never; Rarely

Refuses to eat

2.5; 9

In general, does your child refuse to eat?

Sometimes; Often

Never; Rarely

Fussy about food

2.5; 9

In general, is your child fussy about food?

Often

Never; Rarely; Sometimes

Eats at irregular hours

2.5; 9

In general, does your child eat at regular hours?

Never; Rarely; Sometimes

Often

Eats between meals

2.5; 9

In general, does your child eat between meals and so is not hungry at mealtime?

Sometimes; Often

Never; Rarely

Eats a different meal

2.5; 9

When your child is at home with you for the main meal of the day, how often does he/she eat a meal that is different from meals other family members eat?

Sometimes; Almost always; Always

Almost never

Skips breakfast

9

Does your child eat breakfast in the morning?

Regularly, but not every day; Only on occasion; Never

Yes, every morning

Fussy about vegetables

9

Refuses to eat vegetables when offered them OR Regularly eats vegetables (more than twice a week) with no problem

Very likely OR Not likely

Somewhat likely; not likely OR Very likely; Somewhat likely

Fussy about fruit

9

Refuses to eat fruit when offered it OR Regularly eats fruit (more than twice a week) with no problem

Very likely OR Not likely

Somewhat likely; not likely OR Very likely; Somewhat likely

Fussy about whole-grain bread

9

Refuses to eat whole-grain bread when offered it OR Regularly eats this kind of bread (more than twice a week) with no problem

Very likely OR Not likely

Somewhat likely; not likely OR Very likely; Somewhat likely

  1. 1Questions derived from questionnaires used in the Quebec Longitudinal Study of Child Development (QLSCD). Most of these questions were based on questions in the Avon Longitudinal Study of Parents and Children (ALSPAC) [19], translated and modified slightly to reflect the context of the QLSCD [20].