bronchial_hyperresponsiveness_bhq
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| ====== Bronchial Hyperresponsiveness (BHQ) ====== | ====== Bronchial Hyperresponsiveness (BHQ) ====== | ||
| - | The Bronchial Hyperresponsiveness Questionnaire (BHQ) aims to assess bronchial hyperresponsiveness in patients with asthma ((Riemersma et al. (2009) Development of a questionnaire for the assessment of bronchial hyperresponsiveness. Primary Care Respiratory Medicine 18(4): 287–293)). It is implemented in the Lifelines cohort to assess bronchial hyperresponsiveness in the general population. | + | The Bronchial Hyperresponsiveness Questionnaire (BHQ) aims to assess bronchial hyperresponsiveness in patients with asthma ([[sections|section]]: [[diseases & symptoms]]). It is implemented in the [[start|Lifelines]] cohort to assess bronchial hyperresponsiveness in the general population.\\ |
| + | Note that respiratory symptoms were also assessed using the [[respiratory problems (ELON)|ELON]] instrument and several [[respiratory problems (general)|general questions]]. [[Respiratory diseases]] are also assessed. | ||
| ===== Background ===== | ===== Background ===== | ||
| BHQ is a 34-item condition-specific questionnaire including 15 questions on respiratory symptoms and 19 on provoking stimuli during the past three months. Each question is scored on a 7-point Likert scale ranging from no complaints (1) to severe complaints (7).\\ | BHQ is a 34-item condition-specific questionnaire including 15 questions on respiratory symptoms and 19 on provoking stimuli during the past three months. Each question is scored on a 7-point Likert scale ranging from no complaints (1) to severe complaints (7).\\ | ||
| - | The questionnaire was originally developed in Dutch and was translated in English. It was developed based on a literature review (English), in-depth interviews (Dutch), and a focus group discussion (Dutch) with asthma patients. The questionnaire was based on the PC20-histamine test as the gold standard. Factor analysis was conducted to identify clusters of interrelated questionnaire items. Spearman rank correlation tests were performed to investigate the relation between PC20-histamine levels and the items ((Riemersma et al. (2009) Development of a questionnaire for the assessment of bronchial hyperresponsiveness. Primary Care Respiratory Medicine 18(4): 287–293)). | + | The questionnaire was originally developed in Dutch and was translated in English. It was developed based on a literature review (English), in-depth interviews (Dutch), and a focus group discussion (Dutch) with asthma patients. The questionnaire was based on the PC20-histamine test as the gold standard. Factor analysis was conducted to identify clusters of interrelated questionnaire items. Spearman rank correlation tests were performed to investigate the relation between PC20-histamine levels and the item results |
| ===== Variables ===== | ===== Variables ===== | ||
| - | | **Questions English** | + | | **Questions English** |
| - | | I make contact easily when I meet people. | + | | To what extent have you been affected by the following complaints in the past three months? |
| - | | I often make a fuss about unimportant things. | + | | Breathlessness. |
| - | | I often talk to strangers. | Ik maak vaak een praatje met onbekenden | + | | Sleep problems caused by breathlessness. | Slaapproblemen door benauwdheid |
| - | | I often feel unhappy. | + | | Shortness of breath. | Kortademigheid |
| - | | I am often irritated. | + | | Airway complaints when walking briskly or walking uphill. |
| - | | I often feel inhibited | + | | Sensation of pressure on the chest. |
| - | | I often find myself worrying about something. | + | | Chest tightness. |
| - | | I find it hard to start a conversation. | + | | Pain in the chest. | Pijn op de borst | bhq_symptoms_adu_q_07 |
| - | | I am often in a bad mood. | + | | Inability to breathe deeply. | Niet diep kunnen inademen |
| - | | I am a closed kind of person. | + | | Breathing consciously and with difficulty. |
| - | | I would rather keep people at a distance. | + | | Throat closing up. | Dichtslaan |
| - | | I take a gloomy view of things. | + | | Wheezing. |
| - | | I am often down in the dumps. | + | | Panting. | Hijgen |
| - | | When socializing, | + | | Hoarseness. |
| - | | I have little control over the things that happen to me. | Ik heb weinig controle over de dingen die me overkomen | + | | Palpitation or fast heart rate. | Hartkloppingen |
| - | | I cannot possibly solve some of my problems. | Sommige van mijn problemen kan ik met geen mogelijkheid oplossen | + | | Hyperventilation or fast breathing. |
| - | | There is little that I can do to change important things in my life. | Er is weinig dat ik kan doen om belangrijke dingen in mijn leven te veranderen | + | | To what extent have the following odors, substances or situations caused you airway complaints in the past three months? |
| - | | I often feel helpless in dealing with the problems | + | | Cat. | Kat | bhq_stimuli_adu_q_16 |
| - | | Sometimes I feel that I am a plaything | + | | Rodents, such as rabbit, quinea pig, hamster. |
| - | | What happens to me in the future, mostly depends on myself. | + | | Household dust. |
| - | | I can do just about anything if I have put my mind to it. | + | | Mould. |
| + | | Wool (for example | ||
| + | | Down pillow/ | ||
| + | | Grass or hay. | ||
| + | | Pollen. | ||
| + | | Trees, such as birch, poplar, elm, pine, willow catkins. | Bomen, zoals berk, populier, iep, den, wilgekatjes | ||
| + | | Dusty space. | ||
| + | | Moist space indoors, for example an old cellar. | ||
| + | | Fog. | Mist | bhq_stimuli_adu_q_27 | ||
| + | | Change from warm to cold environment. | ||
| + | | Change | ||
| + | | Scent of building materials. | Lucht van bouwstoffen | ||
| + | | Scent of petrol. | Petroleumlucht of olielucht | ||
| + | | Scent of ammonia. | ||
| + | | Lavatory air freshener. | Wc-verfrisser | ||
| + | | Hair spray. | ||
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