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Participant averages of actigraph variables and correlations with participants’ age.
| Actigraph | Mean (SD) | Pearson’s r | P value |
| Sleep onset latency (min) | 20.33 (16.23) | −.361a | .002 |
| Sleep efficiency (%) | 91.93 (5.02) | .202 | .08 |
| Wake after sleep onset (min) | 38.18 (28.34) | −.193 | .10 |
aSignificant at P<.01.
