Table 4 Factors influencing adherence to health advice provided in association with air quality information services (demographic factors not included)

Psychological

Reflective

Physical

• Knowing where to check AQHI (Air Quality Health Index) numbers [40]

• Understanding the air quality indices/health messages [24, 40, 41]

• Confusion between different indices [41]

• Awareness of media alerts [32]

• Use of different sources of information [38]

• Information seeking behaviour [29]

• Health messages able to reduce both concern about, and perceived susceptibility to, air pollution [28]

• Experiencing symptoms ascribed to air pollution (beliefs about the illness & threat) [15, 38]

• Beliefs that smog can have negative health effects (beliefs about the health threat) [26, 38]

• Beliefs that something can be done to reduce smog (outcome expectancies) [26]

• Perceived benefits of AQI (Air Quality Index) adoption (beliefs about the recommendation) [24, 40, 41]

• Perception of lack of necessity of AQI adoption (beliefs about the recommendation) [40, 42]

• Lack of message relevance [41, 42]

• Self-efficacy/locus of control [40, 42]

• Wearable device option/smartphone applications [36, 38, 41]

• Exposure to visible air pollution [31, 33]

• Pressure to continue with everyday life/Lack of time [24, 40, 41]

Physical

Automatic

Social

• Depression [31]

• Reliance on sensory cues [24, 30, 40, 41]

• Professional health care network promotion/GP advice [31, 32, 41]

• Neighbourhood scale focus [41]

• Local media reporting [40, 41]