Table 3.
Associations between sleep characteristics and 7-year cognitive change among middle-aged and older Hispanic/Latinos
| Δ B-SEVLT-Sum | Δ B-SEVLT-Recall | Δ WF | Δ DSS | Δ SIS | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| M1 | M2 | M1 | M2 | M1 | M2 | M1 | M2 | M1 | M2 | |
| b/se | b/se | b/se | b/se | b/se | b/se | b/se | b/se | b/se | b/se | |
| Respiratory-Event Index (3% desaturation) | ||||||||||
| REI <15 | ref | ref | ref | ref | ref | ref | ref | ref | ref | ref |
| n/a | n/a | n/a | n/a | n/a | n/a | n/a | n/a | n/a | n/a | |
| REI ≥15 | −0.025 | −0.036 | −0.011 | −0.028 | 0.047 | 0.040 | −0.111* | −0.090 | 0.051 | 0.034 |
| 0.056 | 0.055 | 0.054 | 0.053 | 0.058 | 0.057 | 0.054 | 0.054 | 0.059 | 0.060 | |
| Epworth sleepiness scale | ||||||||||
| <10 | ref | ref | ref | ref | ref | ref | ref | ref | ref | ref |
| n/a | n/a | n/a | n/a | n/a | n/a | n/a | n/a | n/a | n/a | |
| ≥10 | −0.052 | −0.021 | 0.016 | 0.039 | −0.077 | −0.068 | 0.006 | 0.013 | 0.042 | 0.038 |
| 0.051 | 0.052 | 0.051 | 0.052 | 0.051 | 0.052 | 0.046 | 0.048 | 0.052 | 0.050 | |
| Women’s Health Initiative Insomnia Rating Scale | ||||||||||
| No Insomnia | ref | ref | ref | ref | ref | ref | ref | ref | ref | ref |
| n/a | n/a | n/a | n/a | n/a | n/a | n/a | n/a | n/a | n/a | |
| Insomnia | −0.045 | 0.024 | −0.094* | −0.038 | −0.051 | −0.007 | −0.032 | 0.003 | −0.072 | −0.044 |
| 0.042 | 0.046 | 0.042 | 0.046 | 0.045 | 0.052 | 0.037 | 0.041 | 0.038 | 0.050 | |
| Sleep Duration | ||||||||||
| <6 hours | −0.007 | 0.075 | −0.136 | −0.078 | −0.063 | −0.055 | −0.013 | 0.021 | −0.041 | −0.029 |
| 0.068 | 0.068 | 0.091 | 0.083 | 0.066 | 0.065 | 0.067 | 0.067 | 0.067 | 0.069 | |
| 6–9 hours | ref | ref | ref | ref | ref | ref | ref | ref | ref | ref |
| n/a | n/a | n/a | n/a | n/a | n/a | n/a | n/a | n/a | n/a | |
| - | - | |||||||||
| >9 hours | −0.237*** | 0.219*** | −0.134* | −0.126* | 0.211** | −0.197** | −0.002 | 0.018 | −0.163* | −0.158** |
| 0.060 | 0.056 | 0.062 | 0.060 | 0.064 | 0.063 | 0.070 | 0.069 | 0.066 | 0.06 | |
Model 1: Adjusted for sex and time lapse between sleep assessment and SOL-INCA visit; Model 2: Model 1 and global vascular risk score, depressive symptoms, report of sleep medication use frequency, and field center; B-SEVLT: Spanish English Verbal Fluency Test; WF: Word Fluency; DSS: Digit Symbol Substitution; SIS: Six Item Screener; REI: Respiratory Event Index. se= standard error