Study Ford et al. (2013): study ZZ Anglo-America 2002

Public

30+ aged, Adventist church atendees, North America 2002-2007

Sample

Respondents

N = 9255

Non Response

45%

Assessment

Questionnaire: Paper & Pencil Interview (PAPI)

Correlate

Authors's Label

Fresh vegetables

Our Classification

Remarks

Assessd usung Food Frequency Questionnaire (FFQ), which contains a list of 200 food items. Fresh vegatables are: Dark green lectuce, iceberg lectuce, tomatoes, peppers, carrots, cabage, brussels sprouts, kale, collards, mustrart greens, onions, avocado, broccili cauliflauwser, spinach, peas Intake expressed in standard servings in grams Food intake was energy adjusted using the residual method

Distribution

M = males: 127, females 140

Related specification variables

Operationalization

Selfreported  intake of fresh vegatables during the last year
1  never or rarely
2  1-3 times per month
3  1-6  times per weelk
4  1-4 times per day

Observed Relation with Happiness