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

Fish

Our Classification

Remarks

Assessed usung Food Frequency Questionnaire (FFQ), which contains a list of 200 food items. Fish types are: white fish (cod, salt fish, sole, haddock catfish), or halibut, snapper, tuna salad, salmon and una casserole. Intake expressed in standard servings in grams Food intake was energy adjusted using the residual method

Distribution

Mmales: 7,6, females 7,4

Related specification variables

Operationalization

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

Observed Relation with Happiness