Category Nuances for risk_factor:

• external,
• important,
• clinical,
• key,
• basic,
• pertinent,
• epidemiological,
• ancillary,
• demographic,
• categorical,
• institutional,
• single,
• medical,
• complex,

Simple Categories for risk_factor:

• cause,
• measure,
• factor,
• information,
• point,
• concept,
• parameter,