Smith 2012 seven-item HIV incidence risk index for MSM
Smith 2012 seven-item HIV incidence risk index for MSM. Age 18-28=8, 29-40=5, 41-48=2, >=49=0; male partners 0-5=0, 6-10=4, >=11=7; HIV-positive partners 0=0, 1=4, >=2=8; unprotected receptive anal 0=0, >=1=10; insertive anal with HIV-positive partner 0-4=0, >=5=6; poppers 3; amphetamines 5. Range 0-47; at_or_above_10 when score >=10. Caller-assigned. Not a diagnosis or PrEP order.
Asked 1.4x its listed price for its own exampleour last check, 2026-09-28
1 of 1checks answered this week
315 msmedian answer time
$0.005listed price per call
$0.007price it asked us
Paid test badge: not yet. The checks above are free: we call the tool without paying and read the payment request it sends back. The Verified badge needs paid calls whose answers match the promised output, and nobody can buy a badge.
Endpoint
POST https://api.magentlab.com/api/calc/hiri_msm
| Category | Everything else |
|---|---|
| Provider host | api.magentlab.com |
| Networks | eip155:8453 |
| Payment schemes | exact |
| Self-reported calls, 30 days | 0 from 0 payers (the provider's figure, not ours) |
Our checks, last 30 days
| Day | Result | HTTP | Asked | Time |
|---|---|---|---|---|
| 2026-09-28 | valid payment request | 402 | $0.007 | 315 ms |
Example input (from the provider)
{
"body": {
"items": [
{
"age": 55,
"amphetamines_6mo": false,
"hiv_positive_male_partners_6mo": 0,
"insertive_anal_hiv_positive_6mo": 0,
"male_sex_partners_6mo": 0,
"poppers_6mo": false,
"unprotected_receptive_anal_6mo": 0
},
{
"age": 55,
"amphetamines_6mo": false,
"hiv_positive_male_partners_6mo": 0,
"insertive_anal_hiv_positive_6mo": 0,
"male_sex_partners_6mo": 0,
"poppers_6mo": false,
"unprotected_receptive_anal_6mo": 0
}
]
},
"method": "POST",
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": false,
"properties": {
"items": {
"items": {
"properties": {
"age": {
"description": "Age in years (18-120). Smith 2012: 18-28 scores 8; 29-40 scores 5; 41-48 scores 2; \u226549 scores 0. Caller-assigned. magent does not take a sexual history.",
"type": "integer"
},
"amphetamines_6mo": {
"description": "Caller-assigned amphetamine use in the prior 6 months (Smith 2012). true or false. magent does not take a substance-use history.",
"type": "boolean"
},
"hiv_positive_male_partners_6mo": {
"description": "Caller-assigned number of HIV-positive male sex partners in the prior 6 months (0-500). Smith 2012: 0 scores 0; 1 scores 4; \u22652 scores 8. Do not drop this item.",
"type": "integer"
},
"insertive_anal_hiv_positive_6mo": {
"description": "Caller-assigned times the person had insertive anal sex with an HIV-positive male partner in the prior 6 months (0-500). Smith 2012: 0-4 scores 0; \u22655 scores 6.",
"type": "integer"
},
"male_sex_partners_6mo": {
"description": "Caller-assigned number of male sex partners in the prior 6 months (0-500). Smith 2012: 0-5 scores 0; 6-10 scores 4; \u226511 scores 7.",
"type": "integer"
},
"poppers_6mo": {
"description": "Caller-assigned popper (amyl nitrate) use in the prior 6 months (Smith 2012). true or false. magent does not take a substance-use history.",
"type": "boolean"
},
"unprotected_receptive_anal_6mo": {
"description": "Caller-assigned times the person had unprotected receptive anal sex with a male partner of any HIV status in the prior 6 months (0-500). Smith 2012: 0 scores 0; \u22651 scores 10.",
"type": "integer"
}
},
"required": [
"age",
"male_sex_partners_6mo",
"hiv_positive_male_partners_6mo",
"unprotected_receptive_anal_6mo",
"insertive_anal_hiv_positive_6mo",
"poppers_6mo",
"amphetamines_6mo"
],
"type": "object"
},
"maxItems": 25,
"minItems": 1,
"type": "array"
}
},
"required": [
"items"
],
"type": "object"
},
"headers": {
"additionalProperties": {
"type": "string"
},
"type": "object"
},
"method": {
"const": "POST",
"type": "string"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}