| Publication |
| Author(s) | Nettle, D. |
| Title | Happiness. The Science behind Your Smile. |
| Source | Oxford University Press, 2005, Oxford, UK |
| Investigation |
| Public | 42 aged, Great Britain, 2000 |
| | - born between March 3rd - March 9th 1958 (including immigrants born in the relevant week) |
| Collect period | 10 |
| Survey name | Not available |
| | 2000, National Child Development Study (NCDS), sweep 6 |
| Sample | Non-probability purposive sample |
| Respondents N = | 11269 |
| Non Response | not reported |
| Assesment | Questionnaire: paper |
| Happiness measure(s) used |
| Author's label | Subject Code
Finding | Subject description |
| Gender | G01aa | Sex (male vs female) |
| Long-standing illness/disability | H02ab | Current handicap |
| Long-standing illness/disability | H14aa02a | Deterioration of health, falling ill, also classified as above ↑ |
| Marital status at age 42 | M02aa07 | Formally-married vs living-as-married |
| Marital status at age 42 | M02aa | Married state (compared to non-married states), also classified as above ↑ |
| Marital status at age 42 | M02aa03 | Married vs divorced, also classified as above ↑ |
| Marital status at age 42 | M02aa01 | Married vs never married, also classified as above ↑ |
| Marital status at age 42 | M02aa04 | Married vs separated , also classified as above ↑ |
| Marital status at age 42 | M02aa02 | Married vs widowed, also classified as above ↑ |
| Personal control | P05bp | Inner locus of control |
| Social Class | O01ac01a | Social prestige of occupation |