Minority Breast Cancer Survivors: The Association between Race/Ethnicity, Objective Sleep Disturbances, and Physical and Psychological Symptoms

Table 3

Means, standard deviations, mean differences, lower and upper limits, and significance of actigraphy parameters of participants by race/ethnicity (𝑁=78).

Actigraphy; parameter	Group	𝑛	Mean	Standard deviation	Mean difference	Lower limit	Upper limit	𝑃 value	Adjusted 𝑃 value
TST	Minority	18	330.39	57.47	−65.53	301.81	358.97	0.01	0.01*
	White	60	395.92	56.22	−65.53	381.39	410.44
SOL	Minority	18	35.69	31.61	13.15	19.97	51.44	0.12	0.07
	White	60	22.53	23.71	13.15	16.41	28.66
SE	Minority	18	75.93	8.59	−3.68	71.66	80.21	0.07	0.09
	White	60	79.61	7.22	−3.68	77.75	81.48
WASO	Minority	18	56.22	26.19	−7.48	43.21	69.25	0.33	0.39
	White	60	63.69	28.65	−7.48	56.33	71.11

SE: sleep efficiency; SOL: sleep onset latency; TST: total sleep time; WASO: wake after sleep onset.
*Actigraphy parameter is significant at the 0.05 level.