Table 3 Association between baseline loneliness, personality traits, craving level for methamphetamine, and urinary methamphetamine test results during the 1-year treatment program in methamphetamine-use patients.

From: Correlation between loneliness, personality traits, and treatment outcomes in patients with methamphetamine use disorder

 

Craving levela

Urine methamphetamine test result

B

t (95% CI)

p

B

t (95% CI)

p

Model 1: Unconditional

Loneliness

0.05

3.06 (0.02 to 0.08)

0.003**

0.04

1.63 (− 0.01 to 0.10)

0.10

TPQ-HA

− 0.07

− 2.39 (− 0.13 to − 0.01)

0.02*

− 0.06

− 1.22 (− 0.16 to 0.04)

0.22

TPQ-NS

0.08

2.61 (0.02 to 0.14)

0.01*

0.05

1.00 (− 0.05 to 0.14)

0.32

Model 2: Age and education adjusted

Loneliness

0.05

2.99 (0.02 to 0.08)

0.003**

0.05

1.76 (− 0.01 to 0.10)

0.08

TPQ-HA

− 0.07

− 2.42 (− 0.13 to − 0.01)

0.02*

− 0.07

− 1.33 (− 0.17 to 0.03)

0.18

TPQ-NS

0.07

2.26 (0.01 to 0.14)

0.02*

0.04

0.82 (− 0.06 to 0.15)

0.41

Model 3: Full adjustedb

Loneliness

0.05

2.26 (0.01 to 0.08)

0.03*

0.08

2.04 (0.003 to 0.15)

0.04*

TPQ-HA

− 0.07

− 2.18 (− 0.14 to − 0.01)

0.03*

− 0.06

− 0.96 (− 0.18 to 0.06)

0.34

TPQ-NS

0.05

1.39 (− 0.02 to 0.11)

0.17

0.01

0.15 (− 0.11 to 0.13)

0.88

  1. *p < 0.05, **p < 0.01.
  2. TPQ tridimensional personality questionnaire, HA harm avoidance, NS novelty seeking.
  3. aTransformed VAS by log (x + 1).
  4. bModel 3: adjusting for age, education, disease duration (years), psychiatric comorbidities, measure of support function (MSF), Hamilton depression rating scale (HDRS), family adaptation, partnership, growth, affection, and resolve index (family APGAR), and the numbers of visits.
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