Table 3.
Information on authors, countries and sample characteristics of included studies.
| References | Parents | Number of Participants | Sample Size/Age | Gender | |
|---|---|---|---|---|---|
| Male | Female | ||||
| Pettersen (2017) | Canada | 142 |
n = 82 high dose group: 56.7 ± 11.7 years low dose group: 52.6 ± 13.4 years |
high dose group: 31% low dose group: 35% |
high dose group: 69% low dose: 65% |
| Jorde et al. (2019) | Norway | 639 |
n = 394 51.8 years |
206 | 188 |
| Dean et al. (2011) | Australia | 139 |
n = 128 21.8 ± 2.9 years |
55 | 73 |
| Rossom et al. (2012) | U.S | 4,143 | 4122 71 years old |
0 | 4,122 |
| Schietzel et al. (2019) | Switzerland | 273 | 226 70.3 ± 6.4 years |
127 | 146 |
| Zajac et al. (2020) | Australia | 436 | 370 69.7 ± 6.6 years |
181 | 189 |
| Beauchet et al. (2019) | France | 241 | 40 71.2 ± 4.4 years |
0 | 40 |
| Castle et al. (2020) | U.S | 138 | 42 58 ± 6 years |
0 | 42 |
| Owusu et al. (2019) | U.S | 260 | 184 68.2 years |
0 | 184 |
n, sample size.