Year | 2013 | 2014 | 2015 | 2016 | 2017 |
|---|
Totala, including | 78 | 91 | 114 | 130 | 194 |
Opioids | 26 | 34 | 39 | 45 | 57 |
Cocaine | 6 | 3 | 2 | 3 | 4 |
Cannabis | 38 | 53 | 74 | 80 | 119 |
Barbiturates | 0 | 1 | 0 | 2 | 1 |
Benzodiazepines | 10 | 5 | 2 | 1 | 5 |
Amphetamines | 14 | 17 | 12 | 22 | 30 |
Methadone | 1 | 12 | 4 | 9 | 27 |
- The trends in proportions were determined according to the Cochran-Armitage chi-square test
- The proportions of mothers using particular drugs decreased significantly for cocaine (χ2 = 4.24, df = 1, p = 0.04) and benzodiazepines (χ2 = 13.60, df = 1, p < 0.001), increased significantly for methadone (χ2 = 6.78, df = 1, p = 0.009), and the proportions of those testing positive for opioids (χ2 = 1.06, df = 1, p = 0.30), cannabis (χ2 = 2.46, df = 1, p = 0.12), or amphetamines (χ2 = 2.35, df = 1, p = 0.67) did not change significantly. The number of barbiturate-positive tests was too small to allow evaluation
- a The totals are not equal to the sums of separate drug categories, since more than one drug could be found at the same time
