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Table 1 Baseline characteristics

From: Dispensation of attention deficit hyperactivity disorder (ADHD) medications in patients receiving opioid agonist therapy; a national prospective cohort study in Norway from 2015 to 2017

 

2015

2016

2017

Patients

7958

7804

7709

Deaths

138

114

124

Patients, excl. Deaths

7820

7690

7585

 

OAT

OAT + AMb

OAT

OAT + AMb

OAT

OAT + AMb

No. (%)

No. (%)

No. (%)

No. (%)

No. (%)

No. (%)

Dispensed ADHD medication

274 (3.5)

312 (4.1)

349 (4.6)

Age

  ≤ 25

171 (2.2)

5 (1.8)

135 (1.8)

7 (2.2)

120 (1.6)

9 (2.6)

 26–35

1551 (19.8)

81 (29.6)

1403 (18.2)

90 (28.8)

1333 (17.6)

84 (24.1)

 36–45

2605 (33.3)

107 (39.1)

2508 (32.6)

118 (37.8)

2392 (31.5)

134 (38.4)

 46–55

2544 (32.5)

69 (25.2)

2540 (33.0)

79 (25.3)

2548 (33.6)

97 (27.8)

  ≥ 56

949 (12.1)

12 (4.4)

1104 (14.4)

18 (5.8)

1192 (15.7)

25 (7.2)

Mean (SD)

43.9 (9.7)

41.0 (8.5)

44.5 (9.8)

40.8 (8.7)

45.0 (9.9)

41.8 (9.0)

Gender

 Male

5430 (69.4)

193 (70.4)

5354 (69.6)

221 (70.8)

5245 (69.1)

254 (72.8)

 Female

2390 (30.6)

81 (29.6)

2336 (30.4)

91 (29.2)

2340 (30.9)

92 (26.4)

OAT opioidsa

 Methadone (included levomethadone)

3216 (41.1)

72 (26.3)

3066 (39.9)

74 (23.7)

2981 (39.3)

92 (26.4)

 Buprenorphine (included combinations)

4604 (58.9)

202 (73.7)

4624 (60.1)

238 (76.3)

4604 (60.7)

257 (73.6)

  1. ADHD Attention deficit hyperactivity disorder, AM ADHD medication (atomoxetine, racemic amphetamine, dexamphetamine, lisdexamphetamine, and methylphenidate), NorPD Norwegian Prescription Database, SD standard deviation, and No Number of patients
  2. a The last dispensed OAT opioid in the calendar year
  3. b On all medical indications
  4. The table displays the baseline characteristics of patients who were dispensed at least one OAT opioid per year in the period from 2015 to 2017