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Relation between sleep quality and glycemic control among type 2 diabetic patients

Asmaa Ali Elsayed Ali
Asmaa Ali Elsayed Ali
   | 20 mar 2023
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Article Category: Original Article
Publicado en línea: 20 mar 2023
Páginas: 115 - 124
Recibido: 28 jun 2022
Aceptado: 29 sept 2022
DOI: https://doi.org/10.2478/fon-2023-0012
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© 2023 Asmaa Ali Elsayed Ali, published by Sciendo
This work is licensed under the Creative Commons Attribution 4.0 International License.

Sleep quality components among patients in the study sample (n = 125).

Sleep (PSQI) Mean ± SD Median
Subjective sleep quality 2.5 ± 0.8 2
Sleep latency 2.2 ± 0.7 2
Sleep duration 4.0 ± 0.7 0
Sleep efficiency 1.3 ± 0.9 1
Sleep disturbance 2.4–0.6 2
Use of sleeping Medications 0.4 ± 0.8 0
Daytime dysfunction 2.1 ± 0.8 2
Total PSQI 11.3 ± 3.2 11

Sleep quality score among patients in the study sample (n = 125).

Sleep quality (PSQI) score Frequency %
Good (<5)     4   3.2
Poor (≥5) 121 96.8

Relation between glycemic control and sleep quality.

Sleep quality (PSQI) Diabetes control (HbA1c) χ2 test P-value
Good glycemic control Poor glycemic control
No. % No. %
Good (<5) 3 75.0 1 25.0
Poor (≥5) 9   7.4 112 92.6 Fisher 0.003*

Best fitting multiple linear regression model for the HbA1c level.

Items Unstandardized coefficients Standardized coefficients t-test P-value 95% CI for B
B Std. Error Lower Upper
Constant   7.67   0.68 11.218   0.000   6.32   9.03
Income   0.74   0.38   0.17   1.944   0.054 −0.01   1.50
Duration of DM   0.08   0.04   0.16   1.786   0.077 −0.01   0.16
Smoking   1.10   0.57   0.17   1.930   0.056 −0.03   2.23
Female gender −1.31   0.45 −0.26 −2.924   0.004 −2.20 −0.42
PSQI score   0.16   0.06   0.24   2.678   0.008   0.04   0.28

Best fitting multiple logistic regression model for the control of DM.

Items Wald Df P-value OR 95.0% CI for OR
Upper Lower
Constant 2.366 1 0.124 13.246
Controlled Hypertension 4.898 1 0.027   9.081 1.287 64.071
PSQI score 8.876 1 0.003   0.592 0.420   0.836

Best fitting multiple linear regression model for PSQI score.

Items Unstandardized coefficients Standardized coefficients t-test P-value 95% CI for B
B Std. Error Lower Upper
Constant −0.34 1.96 −0.173   0.863 −4.22 3.54
Female gender   3.21 0.80   0.43   4.009 <0.001   1.62 4.79
Income 10.91 0.53   0.29   3.613 <0.001   0.86 2.95
Duration of DM   0.11 0.06   0.15   1.856   0.066 −0.01 0.23
Oral + insulin   0.83 0.46   0.15   1.815   0.072 −0.08 1.73
Smoking   2.14 1.03   0.22   2.079   0.040   0.10 4.18
Dyslipidemia   0.98 0.53   0.15   1.859   0.066 −0.06 2.03

Relations between PSQI scores of the good glycemic and poor glycemic control patients.

PSQI Diabetes (HbA1c) Mann–Whitney test P-value
good glycemic control (<7) Poor glycemic control (≥7)
Mean ± SD Median Mean ± SD Median
Sleep efficiency   0.8 ± 1.0   0.50   1.4 ± 0.9   1.00   3.99     0.046*
Sleep duration   0.2 ± 0.4   0.00   0.4 ± 0.8   0.00   1.38 0.24
Sleep disturbance   2.0 ± 0.7   2.00   2.5 ± 0.6   3.00   5.03   0.02*
Sleep latency   1.8 ± 0.8   2.00   2.2 ± 0.7   2.00   2.47 0.12
Subjective sleep quality   2.0 ± 0.4   2.00   2.5 ± 0.8   2.00   4.68   0.03*
Use of sleeping medications   0.3 ± 0.9   0.00   0.4 ± 0.8   0.00   1.20 0.27
Daytime dysfunction   1.4 ± 0.7   1.00   2.2 ± 0.7   2.00 11.16     0.001*
Total PSQI   8.5 ± 3.0   8.50 11.6 ± 3.1 12.00   8.47     0.004*

glycemic control level among patients in the study sample (n = 125).

Glycated Hb (HbA1c) Frequency %
<7.0   12   9.6
≥7.0 113 90.4
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