Table 2

Salivary cortisol levels in high- versus low-lonely individuals


Hour





Wake (0 h)
30 min (0.5 h)
Bedtime (16 h)
Diurnal slope

Low lonely
5.44 ± 0.42*
6.82 ± 0.42
1.36 ± 0.42
-0.301 ± 0.042
High lonely
4.42 ± 0.53
5.87 ± 0.53
1.90 ± 0.53
-0.202 ± 0.033

*Mean ± standard error μg/dl saliva; μg/dl/h.

Cole et al. Genome Biology 2007 8:R189   doi:10.1186/gb-2007-8-9-r189