TABLE 1.
Overview concerning the search strategy.
| Keywords | Cochrane | Embase | PubMed | Scopus | VHL | |||||
|---|---|---|---|---|---|---|---|---|---|---|
| Hits | Selected studies | Hits | Selected studies | Hits | Selected studies | Hits | Selected studies | Hits | Selected studies | |
| (1) Blue light exposure OR blue light | 3 | N/A | 11,447 | N/A | N/A | N/A | 23,612 | N/A | N/A | N/A |
| (2) Bedtime OR sleep quality OR recovery OR nighttime OR screen time | 533 | N/A | 700287 | N/A | 260868 | N/A | 1205332 | N/A | N/A | N/A |
| (3) Performance OR exercise OR sport OR physical activity | 3,569 | N/A | 2358966 | N/A | 2135923 | N/A | 6714080 | N/A | N/A | N/A |
| (4) Subjective wellbeing OR wellbeing OR mood | 504 | N/A | 303592 | N/A | 451906 | N/A | 224331 | N/A | N/A | N/A |
| Combined keywords | ||||||||||
| (1) AND (2) | 87 | N/A | 467 | N/A | 92 | 7 | 485 | N/A | N/A | N/A |
| (1) AND (3) | 3 | N/A | 757 | N/A | 118 | 6 | 2,160 | N/A | N/A | N/A |
| (1) AND (4) | 49 | N/A | 134 | N/A | 48 | 4 | 92 | N/A | N/A | N/A |
| (1) AND (2) AND (3) | 42 | 0 | 77 | 2 | 29 | N/A | 67 | 8 | 9 | 0 |
| (1) AND (2) AND (3) AND (4) | 8 | 0 | 19 | 1 | 7 | N/A | 8 | 0 | N/A | N/A |
Number of hits on keywords and combined keywords in Title/Abstract with advanced search for Cochrane, Embase, PubMed, Scopus and VHL. For PubMed the filter “human” was added. The eight additional studies from listed references of the included studies are not represented on Table 1. For more information see Figure 1. N/A, Not applicable; VHL, Virtual health library.