Table 3.

The association between cognitive function and within-day next time point pain intensity

Fixed effects. Dependent variable: EMA Pain intensity; Column headings denote within-day lag 1 time point person-centered cognitive independent variables
	Self-reported cognitive function	Symbol Search (Processing speed)		Dot Memory (Working memory)
		Mean response time	SD of response time	Error mean	Error SD
Lag 1 Person-centered cognitive variable	0.02 (−0.03, 0.07) p=0.36	−0.0003 (−0.002, 0.001) p=0.63	0.0004 (−0.002, 0.002) p=0.71	1.07 (0.18, 1.95) p=0.02	0.78 (−0.28, 1.84) p=0.15
Group*Lag 1 Person-centered cognitive variable	0.02 (−0.05, 0.08) p=0.60	−0.0005 (−0.003, 0.002) p=0.66	−0.001 (−0.004, 0.002) p=0.47	0.23 (−1.10, 1.56) p=0.74	−0.57 (−2.11, 0.97) p=0.47
Person-centered cognitive variable	0.31 (0.26, 0.36) p<0.001	0.002 (0.0003, 0.003) p=0.02	0.0008 (−0.001, 0.003) p=0.42	−0.47 (−1.38, 0.44) p=0.31	0.12 (−0.97, 1.21) p=0.82
FM group	Reference group
Non-FM group	−41.85 (−47.46, −36.25) p<0.001	−41.30 (−46.86, −35.73) p<0.001	−41.20 (−46.76, −35.63) p<0.001	−41.18 (−46.77, −35.59) p<0.001	−41.20 (−46.79, −35.61) P<0.001
Group*person-centered cognitive variable	−0.24 (−0.31, −0.16) p<0.001	−0.003 (−0.005, −0.0009) p=0.006	−0.002 (−0.005, 0.0007) p=0.14	−0.12 (−1.45, 1.21) p=0.86	−1.35 (−2.90, 0.20) p=0.09
Random effects
Participant	192.23 (29.35)	188.23 (28.93)	188.28 (28.93)	190.00 (29.16)	190.13 (29.18)
Day	30.96 (3.96)	34.71 (4.37)	34.53 (4.36)	35.83 (4.37)	35.43 (4.34)
Residual	106.63 (3.74)	112.77 (4.01)	113.26 (4.02)	112.92 (3.96)	113.35 (3.98)

All values in Fixed effects cells: Regression coefficient, 95%CI, p value. All values in Random effects cells: Estimate, standard error.

Models adjusted for age, sex, number of years of education, perception of feeling refreshed upon awakening (0–100 scale), and a time function (quadratic if significant, p<0.05).