| Study | Ford et al. (2013): study ZZ Anglo-America 2002 |
| Title | Intake of Meditteranean Foods Associated with Positive and Low Negative Affect |
| Source | Journal of psychosomatic research, 74 (2013) 142 - 148 |
| URL | https://www.sciencedirect.com/science/article/pii/S002239991200311X |
| DOI | doi: 10.1016/j.jpsychores.2012.11.002 |
| Public | 30+ aged, Adventist church atendees, North America 2002-2007 |
| Sample | Probability sample (unspecified) |
| Non-Response | 45% |
| Respondents N = | 9255 |
| Correlate | |
| Author's label | Legumes |
| Our classification | What one eats |
| Operationalization | Selfreported intake of legume 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 distribution | Males: 24, females 24 |
| Remarks | Assessed usung Food Frequency Questionnaire (FFQ), which contains a list of 200 food items. Legumes are: navy, red kidney, other red beans Lentils, plit peas, Pinto, black Lima, white Chick peas (garbanzos), black-eyed. Intake expressed in standard servings in grams Food intake was energy adjusted using the residual method |
| Observed Relation with Happiness | ||
| Happiness Measure | Statistics | Elaboration/Remarks |
| A-BW-cy-mq-v-5-d | Beta=+ p < .001 | positive affect: Beta = +.06 (001) negative affect: Beta = -.03 (017) Beta's controled for: - age - gender - ethnicity - frequency of vigorous physical activity - hours sleep - total energy intake - use of alcohol Similar among males and females |
| Code | Full Text |
| A-BW-cy-mq-v-5-d | Selfreport on 10 questions. This scale consists of a number of words that describe different feelings and emotions. As I read each item, I ask that you refer to your response card an d tell me to wgat extent you have felt in that way during the past year : A excited B enthusiastic C alert D inspired E determined F distressed G scared H upset I nervous J ashamed Answer options: 1 not at all 2 a little 3 somewhat 4 quite a bit 5 very much Negative affect score (NAS): F to J Positive affect score (PAS): A to G Affect Balance Score (ABS): PAS - NAS Name: Shortened Watson's PANAS; Kiercher version |
| Symbol | Explanation |
| Beta | STANDARDIZED REGRESSION COEFFICIENT by LEAST SQUARES (OLS) Type: test statistic. Measurement level: Correlates: all metric, Happiness: metric. Range: [-1 ; +1] Meaning: beta > 0 « a higher correlate level corresponds to a higher happiness rating on average. beta < 0 « a higher correlate level corresponds to a higher happiness rating on average. beta = 0 « no correlation. beta = + 1 or -1 « perfect correlation. |