Table 4.
Design of studies within physical health impacts 1.
| Design | General Health Related Factors | Diseases | Injuries & Life Expectation | Healthy Ageing | Subjective Health Perception | Sun Exposure Benefits |
|---|---|---|---|---|---|---|
| Overall | 27 | 7 | 9 | 6 | 2 | 3 |
| Meta | 1 | 0 | 1 | 0 | 0 | 0 |
| RCT | 3 | 1 | 0 | 1 | 0 | 0 |
| Case Control | 1 | 0 | 0 | 0 | 0 | 1 |
| Longitudinal | 6 | 5 | 2 | 2 | 0 | 1 |
| Cross-sectional | 6 | 1 | 2 | 0 | 2 | 1 |
| Qualitative data 2 | 5 | 0 | 2 | 3 | 0 | 0 |
| Literature reviews 3 | 5 | 0 | 2 | 0 | 0 | 0 |
1 Studies may refer to one or more impacts, therefore the total sum can be higher than the number of studies within the overall impact category; 2 Qualitative studies include evaluations of case studies or interventions with qualitative research methods and expert opinion based on field experience; 3 Literature reviews are not based upon empirical data. RCT = randomized controlled trials.