Table 2 Categorization and themes of articles (n = 75)

Health System Context

52 (69.3%)

Distance to Treatment Centre

23 (30.7%)

[10, 17–38]

Wait Times

22 (29.3%)

[6–8, 17, 18, 23, 28, 39–53]

Treatment Centre Characteristics

17 (22.7%)

[18, 33, 39, 41, 43, 46, 47, 54–63]

Patient Sociodemographic Context

30 (40.0%)

Race/Ethnicity

1 (1.3%)

[9]

Socioeconomic Status

8 (10.7%)

[20, 23, 27, 30, 33, 37, 62, 64]

Other

21 (28.0%)

[6, 10, 25, 28, 31, 36, 39, 41, 43, 46, 51, 61, 65–72]

Patient Factors

30 (40.0%)

Age

26 (34.7%)

[6, 8, 11, 12, 20, 27–33, 35, 38, 50, 51, 66, 71–78]

Cultural Beliefs

1 (1.3%)

[9]

Beliefs re: Efficacy/ Burden of Treatment

1 (1.3%)

[71]

Life Expectancy

2 (2.6%)

[28, 30]

Other

1 (1.3%)

[25]

Provider Factors

25 (33.3%)

Lack of Referral

12 (16.0%)

[10, 13, 14, 24, 30, 37, 50, 77–81]

Lack of Understanding/Awareness

16 (21.3%)

[13, 14, 17, 19, 34, 39, 46, 50, 60, 64, 67, 68, 73, 75, 82, 83]