Effect of LED Lighting Illuminance and Correlated Color Temperature on Working Memory

Table 1

Descriptive statistics of working memory according to light illuminance and correlated color temperature (CCT).

Illuminance CCT	400 lx		1,000 lx		Total		N
	Mean	Standard deviation	Mean	Standard deviation	Mean	Standard deviation
3,000 K	43.70	17.00	45.73	18.77	44.72	16.24	30
5,000 K	48.97	18.51	53.43	18.38	50.70	16.41	30
7,000 K	42.73	17.68	45.80	17.73	44.27	15.40	30
Total	44.80	15.29	48.32	15.63