Table 1.

Survey participant characteristics

Variable	n	Value
Age (years)a	84	41.0 (8.9)
Educational attainment (years)a	81	8.0 (2.8)
Male (%)	78	91.8
Female (%)	7	8.2
Indigenous (%)	1	1.2
Place of birth
Baja California (%)	36	42.4
Southern Mexican States (%)	28	32.9
Northern Mexican States (%)	17	20.0
US (%)	2	2.4
Not answered (%)	2	2.4
Living in the US
Never lived in the US (%)	33	38.8
Have been lived in the US (%)	52	61.2
Time living in the US (years)b	52	13.0 (0.2–47)
Have been deported from the US (%)	48	56.5
Time since deportation (years)a	34	10.4 (7.4)
Time living/entering El Bordo (years)b	82	3.3 (0.003–45)
Household/homelessness status
Lives in El Bordo (%)	43	50.6
Sleeps on the street (%)	6	7.4
Lives in a room, house or apartment (%)	6	7.4
Not defined (%)	6	7.4
Not answered (%)	24	29.6
Employment
Formal employment (%)	12	14.1
Trade/craft (%)	15	17.6
Informal job/unemployed (%)	58	68.2
Intravenous drug use
Heroine (%)	13	15.3
Heroine and Methamphetamine (%)	66	77.6
None (%)	6	7.1
Tijuana River canal/lloraderos water use/contact
Never in last week (%)	25	27.5
At least 1 in last week (%)	66	72.5
1–3 in last week (%)	25	27.5
4–7 in last week (%)	15	16.5
8+ in last week (%)	26	28.6

Source: Self developed table from 85 participants in 2019.

a-mean, b-median.

Southern Mexican States included Michoacan, Jalisco, Guerrero, CDMX, Colima, Edo Mex, Nayarit, San Luis Potosi, and Veracruz. Northern Mexican States included Sonora, Chihuahua, Durango, Sinaloa, and Zacatecas.

The US included California and Texas.