Table 1.
Main characteristics of the selected 34 research articles according to their user satisfaction case studies conducted based on the real data of green office buildings [Elaborated by the authors]
| Source | Location / Country | Green building status | No. of buildings | Method of case study analysis |
|---|---|---|---|---|
| Geng et al., 2020 [28] | China | GBL 14 Three-Star 6 Two-Star | 20 | User satisfaction surveys; CBE On-site physical measurements |
| Kim & Kim, 2020 [29] | South Korea | G-SEED&LEED | 1 | User satisfaction surveys; POE |
| Altomonte et al.,2019 [19] | USA Canada | 22 LEED CI 58 LEED NC 13 LEED EB | 93 | User satisfaction surveys; CBE |
| Lee et al., 2019 [6] | Singapore | GM | 8 | User satisfaction surveys; CBE On-site physical measurements |
| Pastore & Andersen, 2019 [7] | Switzerland | Minergie certification | 4 | User satisfaction surveys; POE Point-in-time IEQ monitoring |
| Khoshbakht et al., 2018 [30] | Australia | Green-Star | 5 | User satisfaction surveys; BUS |
| (Liu et al., 2018 [31] | China | GBL/Three-Star | 3 | User satisfaction surveys |
| Sant’Anna et al., 2018 [32] | Brazil | LEED NC | 3 | User satisfaction surveys |
| Altomonte et al., 2017 [33] | UK | 2 BREEAM | 2 | User satisfaction surveys; CBE Point-in-time IEQ monitoring |
| Fieldson & Sodagar, 2017 [34] | UK | BREEAM | 1 | User satisfaction surveys; POE |
| Lin et al., 2016 [35] | China | GBL | 10 | User satisfaction surveys |
| Sediso & Lee, 2016 [36] | South Korea | KGBCC | 2 | User satisfaction surveys; CBE |
| Pei et al., 2015 [37] | China | GBL LEED NC | 10 | User satisfaction surveys; On-site physical measurements |
| Gou et al., 2014 [38] | China | 4 LEED NC 5GBL/Three-Star | 9 | User satisfaction surveys; BUS |
| Liang et al., 2014 [39] | Taiwan | EEWH | 3 | User satisfaction surveys; POE On-site physical measurements |
| Schiavon & Altomonte, 2014 [40] | USA | 65 LEED 79 non-LEED | 144 | User satisfaction surveys; CBE |
| Altomonte & Schiavon 2013 [4] | USA | 65 LEED 79 non-LEED | 144 | User satisfaction surveys; CBE |
| Agha-Hossein et al., 2013 [41] | UK | BREEAM | 1 | User satisfaction surveys: POE |
| Gou et al., 2013 [42] | China | 5 GBL 4 LEED NC | 9 | User satisfaction surveys; BUS |
| Gou & Lau, 2013 [43] | China | GBL | 1 | User satisfaction surveys; BUS On-site physical measurements |
| Hirning et al., 2013 [44] | Australia | Green Star | 3 | User satisfaction surveys; POE On-site physical measurements |
| Menadue et al., 2013 [45] | Australia | Green Star | 4 | User satisfaction surveys; BUS On-site physical measurements |
| Newsham et al., 2013 [10] | USA and Canada | 7 LEED 2 Green-certified | 9 | User satisfaction surveys; POE On-site physical measurements |
| Deuble & de Dear, 2012 [9] | Australia | Green Star | 2 | User satisfaction surveys; BUS On-site physical measurements |
| Frontczak et al., 2012 [13] | USA | LEED | 351 | User satisfaction surveys; CBE |
| Gou et al., 2012a [18] | China | GBL & LEED NC | 2 | User satisfaction surveys; BUS |
| Gou et al., 2012b [46] | China | GBL Three-Star | 1 | User satisfaction surveys; BUS |
| Gou et al., 2012c [47] | China | LEED CI | 2 | User satisfaction surveys; BUS |
| Armitage et al., 2011 [48] | Australia | Green Star | 31 | User satisfaction surveys |
| Lee, 2011 [17] | USA | LEED NC LEED CI | 15 | User satisfaction surveys; CBE |
| Monfared & Sharples, 2011 [49] | UK | BREEAM | 2 | User satisfaction surveys |
| Brown et al., 2010 [16] | Canada | LEED NC | 1 | User satisfaction surveys; BUS |
| Lee & Guerin., 2010 [50] | USA | LEED NC LEED CI LEED EB | 5 | User satisfaction surveys; CBE |
| (Hodgson, 2008) [51] | USA | LEED | 6 | User satisfaction surveys On-site physical measurements |
* POE: Post Occupancy Evaluation; CBE: the Occupant IEQ Survey of the Center for the Built Environment at the University of Berkeley, California; BUS: The Building Use Studies Occupant Survey and Reporting Method; BREEAM: Building Research Establishment Environmental Assessment Method; LEED: Leadership in Energy and Environmental Design: LEED NC: LEED for New Constructions & Major Renovations (NC); LEED EB/EBOM: LEED for Existing Buildings, Operation & Maintenance; LEED CI: LEED for Commercial Interiors; KGBCC: Korean Green Building Certification Criteria; EEWH: Ecology, Energy saving, Waste reduction, and Health; G-SEED: Korea Green Standard for Energy & Environmental Design; GM: Green Mark; GBL: Green Building Label

Figure 1.
Six main groups of 37 quality indicators (Source: Elaborated by the authors)
Table 2.
Categorization of 37 quality indicators (QIs) for green office buildings [Elaborated by the authors]
Table 3.
The frequency distributions of 37 quality indicators (QIs) [Elaborated by the authors]
| Code | Main Groups of Quality Indicators (QIs) | Quality Indicators (QIs) | Personal control on ventilation | |
|---|---|---|---|---|
| QI-1 | INDOOR ENVIRONMENTAL QUALITY | Indoor Thermal Quality | Overall perceived thermal quality | 29 |
| QI-2 | Temperature in winter | 16 | ||
| QI-3 | Temperature in summer | 16 | ||
| QI-4 | Temperature in transition seasons | 4 | ||
| QI-5 | Temperature stability in winter | 4 | ||
| QI-6 | Temperature stability in summer | 4 | ||
| QI-7 | Humidity | 9 | ||
| QI-8 | Indoor Air Quality | Overall perceived air quality | 27 | |
| QI-9 | Air quality in winter | 8 | ||
| QI-10 | Air quality in summer | 8 | ||
| QI-11 | Air movement/ventilation | 6 | ||
| QI-12 | Indoor Lighting Quality | Overall perceived lighting quality | 23 | |
| QI-13 | Natural lighting (daylight) | 13 | ||
| QI-14 | Artificial lighting | 13 | ||
| QI-15 | Glare from natural lighting | 10 | ||
| QI-16 | Glare from artificial light | 10 | ||
| QI-17 | Indoor Acoustic Quality | Overall acoustic quality | 21 | |
| QI-18 | Noise from inside | 6 | ||
| QI-19 | Noise from colleagues | 5 | ||
| QI-20 | Noise from outside | 6 | ||
| QI-21 | Unwanted interruptions | 6 | ||
| QI-22 | CONTROL PERSONAL | Personal control on temperature | 14 | |
| QI-23 | Personal control on lighting | 9 | ||
| QI-24 | Personal control on ventilation | 11 | ||
| QI-25 | Personal control on noise | 5 | ||
| QI-26 | WORKSPACE DESIGN QUALITY | Spatial layout / Office type | 12 | |
| QI-27 | The amount of space and area per person | 8 | ||
| QI-28 | Ease of Interaction | 6 | ||
| QI-29 | View to the outside | 4 | ||
| QI-30 | Visual privacy | 13 | ||
| QI-31 | Sound privacy | 10 | ||
| QI-32 | Colors and textures | 9 | ||
| QI-33 | Comfort of furnishing | 11 | ||
| QI-34 | PERCEIVED HEALTH | The perceived feeling of health and wellbeing | 18 | |
| QI-35 | PERCEIVED PRODUCTIVITY | The perceived feeling of productivity | 18 | |
| QI-36 | FACILITY MANAGEMENT | Operating & Maintenance | 7 | |
| QI-37 | Building cleanliness | 12 | ||
| ∑= | 411 | |||
Table 4.
Pareto analysis of all 37 Quality Indicators (QIs) [Elaborated by the authors]
| Code | Quality Indicators (QIs) | Count of occurrences (Frequency) (n) | Percentage of occurrences (%) | Cumulative percentage of occurrences (%) | |
|---|---|---|---|---|---|
| Vital few (key Quality Indicators-kQIs) | QI-1 | Overall perceived thermal quality | 29 | 7.06% | 7.06% |
| QI-8 | Overall perceived air quality | 27 | 6.57% | 13.63% | |
| QI-12 | Overall perceived lighting quality | 23 | 5.60% | 19.23% | |
| QI-17 | Overall acoustic quality | 21 | 5.11% | 24.34% | |
| QI-34 | The perceived feeling of health and wellbeing | 18 | 4.38% | 28.72% | |
| QI-35 | The perceived feeling of productivity | 18 | 4.38% | 33.10% | |
| QI-2 | Temperature in winter | 16 | 3.89% | 36.99% | |
| QI-3 | Temperature in summer | 16 | 3.89% | 40.88% | |
| QI-22 | Personal control on temperature | 14 | 3.41% | 44.29% | |
| QI-13 | Natural lighting (daylight) | 13 | 3.16% | 47.45% | |
| QI-14 | Artificial lighting | 13 | 3.16% | 50.61% | |
| QI-30 | Visual privacy | 13 | 3.16% | 53.77% | |
| QI-26 | Spatial layout/Office type | 12 | 2.92% | 56.69% | |
| QI-37 | Building cleanliness | 12 | 2.92% | 59.61% | |
| QI-24 | Personal control on ventilation | 11 | 2.68% | 62.29% | |
| QI-33 | Comfort of furnishing | 11 | 2.68% | 64.97% | |
| QI-15 | Glare from natural lighting | 10 | 2.43% | 67.40% | |
| QI-16 | Glare from artificial light | 10 | 2.43% | 69.83% | |
| QI-31 | Sound privacy | 10 | 2.43% | 72.26% | |
| QI-7 | Humidity | 9 | 2.19% | 74.45% | |
| QI-23 | Personal control on lighting | 9 | 2.19% | 76.64% | |
| QI-32 | Colors and textures | 9 | 2.19% | 78.83% | |
| QI-27 | The amount of space and area per person | 8 | 1.95% | 80.78% | |
| Useful many | QI-9 | Air quality in winter | 8 | 1.95% | 82.73% |
| QI-10 | Air quality in summer | 8 | 1.95% | 84.68% | |
| QI-36 | Operating & Maintenance | 7 | 1.70% | 86.38% | |
| QI-11 | Air movement/ventilation | 6 | 1.46% | 87.84% | |
| QI-18 | Noise from inside | 6 | 1.46% | 89.30% | |
| QI-20 | Noise from outside | 6 | 1.46% | 90.76% | |
| QI-21 | Unwanted interruptions | 6 | 1.46% | 92.22% | |
| QI-28 | Ease of Interaction | 6 | 1.46% | 93.68% | |
| QI-19 | Noise from colleagues | 5 | 1.22% | 94.90% | |
| QI-25 | Personal control on noise | 5 | 1.22% | 96.12% | |
| QI-4 | Temperature in transition seasons | 4 | 0.97% | 97.09% | |
| QI-5 | Temperature stability in winter | 4 | 0.97% | 98.06% | |
| QI-6 | Temperature stability in summer | 4 | 0.97% | 99.03% | |
| QI-29 | View to the outside | 4 | 0.97% | 100% | |
| ∑= | 411 | 100% |

Figure 2.
Pareto chart for all 37 QIs (Vital Few: key Quality Indicators – kQIs) (Source: Elaborated by the authors)