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Table 1 Characteristics of 44 studies in systematic review of Naloxone distribution programs (2003–2018)^

From: Effectiveness of naloxone distribution in community settings to reduce opioid overdose deaths among people who use drugs: a systematic review and meta-analysis

Studies with individual-level outcome data

Ìý

41

Ìý

Population served*

ÌýÌýÌý

 People who use drugs

30

ÌýÌý

 Family, friends, others

6

ÌýÌý

 Law enforcement personnel

7

ÌýÌý

Location

ÌýÌýÌý

 United States

29

ÌýÌý

 C²¹²Ô²¹»å²¹

5

ÌýÌý

 United Kingdom

5

ÌýÌý

 Other Europe†

2

ÌýÌý

Follow-up method

ÌýÌýÌý

 P²¹²õ²õ¾±±¹±ð

18

ÌýÌý

 Prospectively scheduled

12

ÌýÌý

 Only participants with follow-up included

4

ÌýÌý

 Not specified (law enforcement personnel studies)

7

ÌýÌý

Type of naloxone used

ÌýÌýÌý

 I²ÔÂá±ð³¦³Ù±ð»å

25

ÌýÌý

 N²¹²õ²¹±ô

14

ÌýÌý

 B´Ç³Ù³ó

2

ÌýÌý

Studies with community-level outcome data

Ìý

5

Ìý

Location

ÌýÌýÌý

 United States

4

ÌýÌý

 United Kingdom

1

ÌýÌý

Total studies‡

Ìý

44

Ìý
  1. ^See TableÌý3 for 2018–2022 data. *Two U.S. studies reported on programs for both people who use drugs and family members. †Other Europe = Norway, Germany, Channel Islands. ‡Two U.S. studies reported both individual- and community-level data