Table 2.
Findings from sleep timing articles
| Article | Timing factor/s | Measure of timing | ||
|---|---|---|---|---|
| Bed time | Wake time | Other | ||
| Alqaderi et al (2017)34 | ✓ Pos (LT) | Self‐report | ||
| Amigo et al (2014)36 | ✓ Pos | Self‐report | ||
| Anderson et al (2017)37 | ✓ Neg (consistent bed‐time at age 3; compared with inconsistent) | Parent report | ||
| Berentzen et al (2014)44 | NS (sleep‐wake pattern) | Self‐report | ||
| Busto‐Zapico et al (2014)45 | ✓ Pos | Parent report | ||
| Cassimos et al (2011)51 | NS | Self‐report | ||
| Combs et al (2016)55 | ✓ Pos (weekday) | NS (weekday) | Parent report | |
| Ekstedt et al (2013)63 | NS | NS | Accelerometry | |
| Firouzi et al (2013)67 | NS | NS | Parent report | |
| Harrex et al (2017)72 | NS (sleep‐wake pattern) | Accelerometry | ||
| Kelly et al (2015)80 | ✓ NEG (nonregular BT) POS (BT > 9 pm; LT) | Parent report | ||
| Khan et al (2017)81 | ✓ Pos (weekday) | Parent report | ||
| Lumeng et al (2007)94 | ✓ Pos | NS | Parent report | |
| Martoni et al (2016)99 | ✓ Pos (sleep midpoint) | Accelerometry | ||
| McNeil et al (2015)22 | NS | NS | NS (Sleep midpoint) | Accelerometry |
| Ochiai et al (2012)104 | NS | NS | Parent report | |
| Quach et al (2016)115 | ✓ Pos (LT: as dichotomous categorization of LTB) | ✓ Pos (LT: wave 2 only) (sleep‐wake pattern) | Parent report | |
| Rosi et al (2017)118 | NS (sleep‐wake pattern) | Self‐reported | ||
| Scharf and DeBoer (2015)121 | ✓ Pos (CS and LT) | ✓ Neg (CS only) | Parent report | |
| Sekine et al (2002)122 | ✓ Pos | NS | Parent report | |
| Sugimori et al (2004)126 | ✓ Pos (Girls Only; LT) | NS | Parent report | |
| Sun et al (2009)128 | NS | NS | Self‐report | |
| Thivel et al (2015)131 | ✓ Pos (sleep midpoint) | Parent report | ||
| Wang et al (2017)136 | ✓ Pos | Self‐report | ||
Abbreviations: Key: ✓ = significant association reported; NS = no significant association with weight status; Pos = positive association (later BT OR WT ➔ higher weight status); Neg = negative association (earlier BT OR WT ➔ higher weight status); BT = Bed Time; WT = Wake Time; LTB = late to bed; CS = cross‐sectional association; LT = longitudinal association.